To keep using their school's abandoned observatory as a refuge, two sleepless high school students decide to revive the defunct astronomy club.

A very ancient monster, Okamuro San, appears to those who say his name or search for him on the internet to chop off their heads...

Ibuki Arakuni is a high school student who is far from a model student. He has a childhood friend, Akabane Honeko, who attends the same high school as Ibuki Arakuni.

There are saints living in Tokyo, Japan: Buddha the Enlightened One, and Jesus, Son of God. After successfully bringing the previous century to a close, the two share an apartment in Tachikawa while enjoying some well-earned time off down on Earth. Buddha pinches pennies like a typical neighborhood housewife, while Jesus is prone to making impulse buys.

Three years after completing a deadly game, high schoolers trapped in a looping nightmare must survive brutal encounters and unravel a terrifying curse.

The school’s cool, prince-like heroine has never questioned her role—until a fellow “Prince” enters her life and sees her as more than a hero, awakening feelings she’s never faced before.