A mystery about the missing high schooler and a young girl.

From Baka Updates: 在那個地方… 死者追尋生命的陽光, 生者追求死亡的安息。 而那裡就是地獄! At that place... The dead yearn for the life of light The ones alive yearn for the solace of death That place is Hell!

From Anime Waves: Kobayagawa Shio is a "private actress" who works for a production company. She also does personal assignments that needs her to pretend to be a different person. She takes on assignments for people and takes on the personality of the person who they are pretending to be.

Fall 1986...in Rokkenjima, a private island owned by Kinz? Ushiromiya, eleven of his relatives arrive for a family reunion. He is dying and children want nothing more than to split the wealth he will leave behind. But as a storm traps them on the island, the riddle of Rokkenjima's legendary golden witch begins to take the lives of several people. Who can solve the riddle and gain the gold & the inheritance? Will the golden witch truly revive? The story is divided into episodes: four "Question" arcs. Each episode keeps the same main characters, but ends in a different way. However, each episode gives valuable answers, hints, and clues to the previous one, while at the same time bringing forth even more mysteries.The question arcs are: Legend of the golden witch, Turn of the golden witch, Banquet of the golden witch, and Alliance of the golden witch.

Ayaka has a dear friend named Hiroko. Hiroko suddenly vanishes from Ayaka’s life, saying that she must save someone important to her. Since that time, Ayaka hasn’t heard anything from Hiroko, until a girl’s corpse is washed up on shore, and she’s holding a letter from Hiroko which reads: “Come save me.” Ayaka sets off to save her best friend, and ends up in a mysterious school where everything seems too good to be true. Is it?

A group of 15 elite high-school students are gathered at a very special, high-class high school. To graduate from this high school essentially means you'll succeed in life, but graduating is very difficult. The school is presided over by a bear called Monokuma, and he explains to them that their graduation hinges around committing a murder. The only way to graduate is to kill one of your classmates and get away with it. If the other classmates discover the identity of the killer, the killer is the only one executed. However, if they fail to catch the killer, only the killer graduates and the others are annihilated. Which of the 15 will survive the bloodbath to come?

Prologue of "Cloud Atlas", a movie released in 2012, drawn by SIU, creator of "Tower of God".

A girl follows the tradition of her family by testing to be a demon cleaner. During her test a vampire escapes and bites her. In order to reverse the effects of the bite her older brother and said vampire have to go on a demon cleaning job together.

In a city split between humans and occult, Colin Aston just wants to run his diner and make bad coffee. A peaceful life isn't on the menu though, as a mysterious blonde shows up with a job only Colin is capable of performing. If he takes it, Colin will have to face sorcerers, politicians, and little old ladies... not to mention a secret that destroyed nearly half the city and hits a little too close to home.

From Aerandria Scans: Rinko is an ordinary girl who was born with a mysterious birthmark on her left arm. But when that mark starts to get darker, strange accidents begin to happen everywhere around her, involving even the people she cares about. What will the powerful magic awakening inside Rinko bring her? In 1987, Purple Eyes in the Dark was awarded the Shogakukan Manga Award for the shoujo manga category.

Inaho knows a lot about various bugs and uses this knowledge to solve various mysteries.

[From SnowKiss]: Aiko should be dead, but when she awakes in a secret hospital, she has no recollection of what happened that night until a monster showed up and her memories flood back. Her arm changed into a powerful weapon similar to the monster, a chimera arm. The secret organization Atheos asked her to help them fight off the chimeras. An accident happened that led Aiko to understand how much she wants to live, and decided to join Atheos, in order to find her place.

Kurôzu-cho, a small fogbound town on the coast of Japan, is cursed. According to Shuichi Saito, the withdrawn boyfriend of teenager Kirie Goshima, their town is haunted not by a person or being but by a pattern: uzumaki, the spiral, the hypnotic secret shape of the world. It manifests itself in small ways: seashells, ferns, whirlpools in water, whirlwinds in air. And in large ways: the spiral marks on people's bodies, the insane obsessions of Shuichi's father, the voice from the cochlea in your inner ear. As the madness spreads, the inhabitants of Kurôzu-cho are pulled ever deeper, as if into a whirlpool from which there is no return... - Viz

From WoC Scans: Collection of mysterious stories by Chie Shinohara, a great artist of suspense manga. Story 01 Part 01 & 02: 海に堕ちるツバメ (Umi ni Ochiru Tsubame - Swallow Falling into the Sea) Masako Minase, a scriptwriter, was murdered by Shiki Morimura, her rival in the same profession. Shiki was sure that she had destroyed evidence completely. However, someone who knew the truth appeared, and tried to get Shiki in his power. Is it a mysterious spot or unhappy desire that lurks in her mind? It was also published in Akatsuki ni Tatsu Lion (bunkoban version) Story 02: 記憶の足音 (Kioku no Ashioto - The Footsteps of Memory) This is the story about Shouko and the almost tragic moment that changed her life and emotions ... It was also published in Akatsuki ni Tatsu Lion (bunkoban version). Story 03: 死刑台の72時間 (Shikeidai no 72-jikan - 72 hours of death stand) Five young people receives a letter saying that they murdered someone and they must go to the address in the letter if they don't want other people to found out. They all find themselves in a old European house, where a crazy lady tells them that one of them is a murder and if that murder don't confess in 72 hours, they will all die. It was also published in Toubou Kyuukou (bunkoban version).

This chapter focuses mostly on Battler's sister Ange, and her life twelve years after the massacre on Rokkenjima. The existence of magic is heavily implied in this chapter. Many new characters make their debut, such as Siesta 00, Gaap, and a number of humans. (Wikipedia)

From Hyper Parfait: After World War III, the Führer established the Unified World Government. Anything considered as damaging to the creation of the “Perfect World” is eliminated, such as people with disabilities, believers of a different religion, those that are considered as “traitors”, and so on. The Black Rose is the personal protection guard unit of the Führer. Luka Ogami, the top graduate of the academy of unified army officers, joins the Black Rose…. to save the world.

It’s the early days of the Showa Era. In a really ordinary-looking and peaceful city, no one notices the strange things that are happening. Shinobu, a young man who manages his father’s second-hand goods store, comes face to face with one mystery after another. At some point, these events lead to a story…

Tokage, a soul cursed to forever wander the world, unable to rest nor to join the reincarnation cycle, is now looking for its release. This time Tokage enters the body of a newly dead girl named Yuuka, a shrine maiden. This body requires continual recharging from a highly spiritual person, whom the dead person must have had an attachment to. This person is Shinobu, a younger boy, who also lives in that shrine. Thus starts the adventures of Tokage and Shinobu in a world gone mad, amidst the chaos and carnage that gravitates to an unsent soul draw.

From A Duck's Paradise: Doppelgangers. Mice that take the form of humans. With murderous intent, the look-alikes and the originals are both pressured to fight in their own ways. After an ambiguous event in their life, Jin-Uk and So-Hee's love life has been shattered. While trying to reconcile with her, Ji-Suk meets her look-alike, and that's how this story starts. What will he do when he, too, has a look-alike destined to kill him? And what's the secret So-Hee will never tell?

From Manga Updates 1943 Manju. Kim Ui-ryong, known as the perfect marksman was given a secret order from the superiors of the independence army. Armed with explosives around his body, he infiltrated a secret Japanese government operation and witnessed a ceremony upholding an old bronze sword. Just as his mission required, he destroyed the bronze sword and died. Korea, 60 years later. Culture Professor Bae Reta, a 2nd generation Korean-American was asked to participate in a secret auction where she witnessed a gun. From a glance, it looked like just any old gun used in Manju independence movement. However, ones after the gun appears at the scene and quickly turns it into a bloodbath. And Prof. Bae, left alone with the gun witnesses everything... - Translations by Grumpy from The Company

Dark fantasy story follows a boy named Muoru who has been falsely arrested and sent to a cemetery to perform forced labor. There, he calls himself the "grave keeper" and meets a beautiful girl named Meria. Muoru becomes fascinated with Meria as he spends his days digging a hole containing the undead monster named "The Dark."

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A girl runs away from home, pretending to have been kidnapped.

14-year-old Eriko finds herself left in charge of her younger brother Daigo when their parents suddenly disappear one warm summer evening. Trapped in a world that is very much like their own save for the lack of their parents, Eriko and Daigo find themselves desperate to return to the worrywart mother and apathetic father they never thought they'd miss so badly...