The main character finds his possessions "abused" by some unknown person until he finally caught the culprit... masturbating to them?

From VIZ: In company-owned rabbit-hutch apartments live tenants who can't afford to live anywhere else, and the apartment complex in which high-school girl Hatsumi Narita lives is ruled over by the rumor mongering, self-righteous Mrs. Tachibana. Get on Tachibana's bad side, and life becomes hell. When Hatsumi has to buy a pregnancy test because her popular sister Akane's period is late, Mrs. Tachibana's son, Ryoki, who used to bully Hatsumi as a kid, promises not to tell the world about Hatsumi's secret, only if she becomes his slave. Suddenly, Azusa Hatsumi's protector in their youth, reappears to save her again! He's moving back into the neighborhood! Despite the budding romance between Hatsumi and Azusa, Ryoki has control over her through the secret that could ruin the lives of everyone in Hatsumi's family, and he hasn't forgotten who his slave is!

Walking home from school one day, Noriko is innocently caught up in a terrorist bombing. Rather than being blown to bits, she finds herself transported to another world; a world in which darkness seems on the rise, as its powers desperately search for a being known as the Awakening whom it is said will awaken the Sky Demon. She finds this new world to be dangerous and overwhelming, and Noriko has little choice but to throw her lot in with the mysteriously powerful man she encounters upon her arrival. The enigma of this world and her role in it will gradually unfold, but first things first: Noriko must learn their language! In 2004, this manga won the 35th annual Seiun Award for best science fiction comic.

Shinjo Mayu's newest leading lady is an idol, and the leading man is... a future prime minister!? Just what is a "Love Celeb"? Nakazono Kirara is an aspiring starlet. She used to think she'd do whatever it took to get a starring role in a drama and have a CD. But her manager, Hanamaki, proves her wrong when he sends her into a room full of horny producers to sleep her way into a role! Kirara wants no part of it! She's a virgin, and these guys are scary!! Especially the silver-haired one named Gin... He seems to be in charge. But he lets Kirara leave the party with her virginity and his phone number, and it seems like nothing lost, nothing gained... until Kirara is suddenly the most famous new starlet for no apparent reason!? There is a spinnoff called "KAIKAN PHRASE" about Sakuya. There is a spinnoff called "Haou Airen" about Hakuron.

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Iroha, a masculine girl, and Hifumi, a feminine boy, are siblings who have transferred to a different middle school and moved to their grandparents’ house. However, after the first night much to their surprise they both change bodies, Iroha into a boy and Hifumi into a girl while Iroha tries to get back her girl body how will this turn?

From Utopian Dream: Sakuragawa Miyako is a graduate student at Eito University against the wishes of her family. She finds out that the prince of Istria is studying abroad and is at Eito University. She wants to get close to him only in the hopes of finishing her thesis on his great grandmother, Queen Ritsuko--but he has other ideas!? From Aerandria Scans: His highness the prince of Estolia Wilfred became an exchange student in Eito University. His noble appearance and gentleman’s manners quickly filled the campus with hysterical women’s voices. Miyako also studies at that university and for her master’s thesis, she is determined to interview the prince about his great-grandmother. But when she approaches him about it, she suddenly discovers “the dark side” of his character...?!

PSYREN follows the adventures of Ageha Yoshina, a high school student who is chosen by Nemesis Q as a participant in the Psyren games. The games take place in a world known initially as Psyren, which is revealed to be the real world in the future. Ageha and his friends attempt to alter the future and save the world from becoming Psyren.

Hiromi can't wait for her cousin Makoto to come live with her - but when "he" finally shows up, she gets a good deal more than she bargained for. Toshiki Yui turns a hentai fetish into the plot hook of this high school situation comedy.

Surreal black comedy about a young couple. Very similar to Multiplication. Light-cannibalism images.

from Blissful Sin: "I wonder… if I’ve become lecherous." High school student Hiroki yearns for his best friend Yuuji's father, Seiji. He has tried many approaches, but has only managed brief exchanges. Yuuji told the depressed Hiroki “I’ve fallen in love with you…Why don’t you forget about my father!” However, Hiroki bravely began the process of captivating Seiji. Before long, the aimless lover is being loved, Hiroki’s body being ravished… In the shocking three part series, Idol Unit “Boku-chan’s*” series. Drawn for this special release, a tank-full of even more love, debauchery, and worthwhile reading collected in this omnibus!!

From Manga Jouhou: Takashi Sone is living on his own while he is attending college. Out of the blue, his parents tell him that his sister, Mafuyu, is moving in to live with him and that she will be attending a high school in his area. When she arrives, he finds out that she was kicked out of her old school for getting caught making out with another girl. Soon afterwards, the other girl arrives, having thrown away everything she owns in order to run away and live with Mafuyu. Volume 11 has a unreleated 2 chapter story at the end called Frills

Ashihara Chihiro is a regular high school student. One day a man came to her and told her that she's actually a princess from another country in another dimension. Chihiro later found out that it was true, and in fact her own best friend and teacher were actually her guardians! Her country has been taken over by Raja, who is now king. Chihiro and her guardians come back to that dimension to take back their country. In her quest, Chihiro met other guardians and warriors who were willing to help her achieve her goal.

A writer and an editor who are lovers. The writer keeps basing characters on her lover, and the editor wants her to stop because she's afraid that people at work will find out about their relationship. From the anthology "Girls Only."

"This is a short Christmas-themed manga. Santa is terrorizing the Japan by flooding everyone with unwanted gifts. The only way to stop Santa from sending more is to convince him that you’re happy with what you got, or so they believe. The story is split between a girl trying to find a way to get Santa to stop sending her vibrators, and the various government schemes to try and capture or eliminate Santa." (from Brolen)

From Viz: After a escaping the unwanted attentions of some bored soldiers with the help of a handsome stranger, Sophie returns home only to be accosted by the infamous Witch of the Waste! The Witch lays a curse on her, turning Sophie into a creaky old woman. Sophie knows she has to leave town, and soon finds herself taking shelter in the moving castle of the dread wizard Howl...who is rumored to eat women's hearts!

Kitamura Yui, a young teenage girl, manages to fall for a woman on the train- Ichinose Hitomi. In her eyes, shes goregeous, beautiful.. And on a whim, she kisses her. Hitomi's reaction is something that surprises Yui beyond belief.

A new story of a love-triangle and four oneshots, including an extra sixteen pages; all found in this comic filled with the honest love and desires of men! 1) Bachi Bachi Tsudanuma, the captain of the soccer club and Toui, the vice captain, keep their feelings for one another hidden in their hearts. Their kouhai, Ichita, discovers their secret and decides to support them. But one day, they both end up confessing to him?! (From Blissful Sin) 2) Youth, the color of sunset A scruffy man dragged by his tough daughter to Akino's hair salon. 3) Samurai Honeybee Takasugi Encountered an interesting guy at a karate lesson. 4) 723-122 (Nanai-san's woof woof - meow meow) Science fiction story about a clone and his Hybrids pets lovers 5) Hatagaya Lullaby A story about an old fashioned writer and an Visual Kei singer. 5.5) Extra - Depression. the color blue A continuation for the second story - Youth, the color of sunset.

Akari is drawn into the exciting world of kabuki theatre, She then spends her time after school assisting the famous actor, Shonosuke Ichimura. In the real world, however, this prince of kabuki is actually a high school cutie named Ryusei. The pair's relationship gets off on the wrong foot but eventually, with the help of a cat known as Mr. Ken, might start to fall in love.

Yuiko Kubozuka is a high school girl who loves animals. Unfortunately, animals don't like her and flee away from her whenever she comes near. One night, while trying to save a runaway cat in a tree, she meets a boy with wild hair and scary eyes who saves the cat. The next day, that boy turns out to be Yuiko's new transfer classmate, Leo Aoi. She finds him to be funny and not scary at all, while everyone else feared him because of his appearance. This makes Leo very happy. But there's a secret hidden within Leo. What will happen to their relationship?

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A serial-murderer is on the loose who just so happens to also be removing the hearts of his victims and taking them with him. His victims however, are not merely random humans as thought by the police. They are in fact, the past and present guardians of the gateway of the afterlife. On the day he is to be married, Detective Kanzaki, who happens to be on the case, discovers that his fiancé Mina has been murdered with her heart also missing. He also learns that the killers are Kudo, a geneticist, and his evil secretary Rei. The two are trying to obtain six hearts from the guardians so that they may call forth a horde of demons from the Gate of Rage and have their every desire granted. Only problem is, once they open the gate the entire world will be covered in darkness. Meanwhile, in the afterlife, Mina encounters Izuko, the Guardian of the Gate. Izuko gives her three options: Mina can choose to ascend to heaven and be reborn, she can choose to forever walk the earth as a ghost or she can choose to curse one of the living to death and as a result be cursed to descend to hell. Mina has 12 days to make her choice. - Wikipedia.

Only the strongest woman is worthy of being Queen. On this continent, a desperate struggle to crown the new Queen is held every four years. The Queen's Blade.

Kaya thought she had found the perfect job when she became the private secretary of Kyouhei Touma - the director of a tableware company of the same name. Kyouhei is a capable director, but his arrogance and sluttish behavior are almost legendary. Kaya is doing her best to prove that she is capable in her work, but one night, by accident, she discovers his secret... of him being a vampire!