There are twenty independent stories written by twenty different authors, sharing the common theme of "April". An anthology that is considered a rare item as it has never hit the shelves as a standalone book. There is no ISBN and it is an unbuyable except in online auctions. The anthology was published as a bonus gift to Dengeki Magazine readers in 2009.

The drug 'Nightmare' gives a drastic impact, changing a human physical to a gigantic creature. Then a man appeared to stand up against these creatures for the sake of prosperity and to prevent misfortunes of mankind.

An anthology centered on Persona 5. It features mostly character art, but it also includes nine short manga chapters.

Salisha was adopted by a count because of her beauty, and raised as a potential marriage candidate for the crown prince. But the Philippe the crown prince chooses Elena, Salisha's friend, to be his bride. On the day of the announcement of their engagement, she couldn't help but watch the two with a faint feeling of loneliness. When they were attacked, Salisha tried to protect Philip and Elena, only to be injured in the back, and she is left with an indelible scar and a broken heart. Suddenly, Cecilio Ahamas, a frontier count 10 years her senior, asks her to marry him. "Why would a man I've never met ask me to marry him?" She was puzzled, but she could not help but notice the clumsy kindness and the boyish expressions of the taciturn man, and Salisha gradually becomes attracted to the idea of marriage. She wants to stay by his side forever, but if he sees her hideous scar, he will surely dislike her, as the day of the wedding gets closer and closer... (Source: Pash Up!, translated)

Shitara is a man who fell from an elite life overnight. Having lost his job, house, and wife, his new "place of employment" is a shabby boarding house! So it was under the worst possible circumstances when he met Itsuka, one of the boarding house residents. A slightly perverted love story begins under one roof! (Souce: Comic Days, translated)

*Note: All chapters were split into multiple parts in the original serialization and later combined in the volume releases.*

"--This dungeon is useless!" One day, Ichi Monster Nargoa is appointed as the middle boss of the first dungeon "Shijima Cave" closest to the hero's home base. There were only unconscious employees (monsters), and Nargoa started a major reform of the dungeon when this was not enough, but it was worth the effort, and even one year after taking office, Shijima's cave was rejected even by a mid-level brave party Transformed into a great labyrinth! However, the legendary heroes who have already defeated the Demon King, Nargoa challenged and defeated the single heroes to protect their beloved employees, and-somehow reincarnated in the world 100 years later. I will! In the world 100 years later, a thrilling boss fantasy unfolds with the employees of the Shijima Cave, which has become a legendary labyrinth! Opening here!