This is an anthology themed around humorous non-canonical situations starring the cast of *Danganronpa: Trigger Happy Havoc*.

After school, will a love quadrangle unfold in this mahjong club? (Source: ComicWalker, translated) *Note: Chapter count includes two bonus chapters.*

Created by Akira Hio nearly in the same time as the original Space Battleship Yamato, this version contains re-imagined story focusing on war with Gamilas, instead of voyage towards Iscandar.

A collection of oneshots.

A world where dungeons have become familiar. A regular high school student, Taira Ichino, mutters while holding a can he got from the Osaka Umeda Dungeon, "If only I had my own dungeon..." and then the lid opens...?! [Original Web Novel](https://ncode.syosetu.com/n2586iz/) [Original Web Serialization](https://comic-growl.com/series/ceb92698e317d)

Doppo is a runaway boy who's wanted for the murder of his own father. Through his journey to find the truth behind his father's death, he helps other people with his cooking.

Shiba Ryouma, a lawyer who will stop at nothing to win, encounters a younger con artist named Haruto at an underground auction. *“For you, Ryou-kun, I’ll use any dirty trick in the book.”* After blackmailing Ryouma and forcing his way into his apartment, Haruto relentlessly closes the distance between them. *“You really don’t understand personal space!”* Like a slow-acting poison, Haruto begins to invade every corner of Ryouma’s carefully guarded world steadily...!? (Source: Hakusensha, translated) *Note: \- All chapters were split into multiple parts in the original serialization and later combined in the volume release. \- Includes one extra chapter.*

A series set in the past world of Chrome Shelled Regios. Failed on the development of space shuttles to let human go to space, wars arise everywhere on earth for the already running out materials, foods, and resources. In all of those riots, a research team "Alchemist" continues on developing a Subspace Creator System (Aurora Field). Hundred of years pasts since then, Aurora walls are limiting the world people can go and nobody knows what lies behind those walls. And a research on "the other side" is begun, their purpose is to examine the forgotten world behind the aurora field. Ailen is one of the research members and he is the only one that came back from the mission, along with his already "affected" body... The madness of "Alchemist" started to break the world peace inside the walls, and to keep on living Ailen rose against them...

The story follows Shirоou Kasumi, a high-school student who can see the past and uses that ability to find out who murdered his mother. The sequel will again follow Shirо̄, who now attends a university.