High-school girl Yuri suddenly finds herself on the rooftop of a high-rise building. She's trapped in a bizarre world surrounded by skyscrapers, where a masked man cracked open a man's head with an axe before her eyes. The original author of "Ajin," Tsuina Miura works in collaboration with Takahiro Oba, the artist of "Box!", to bring you this thrilling skyscraper suspense!

*Sequel to Tenkuu Shinpan. This series follows a different cast of characters and explores new areas.* Senya is just an ordinary guy, who wanted to become an astronaut as a kid. One day and suddenly, he's transported into another world after seeing on the rooftop of his school something like a "tower" going across the sky. There, he witnesses a ruined world, where skyscrapers are connected by suspension bridges. Senya, perplexed, manages to see a girl standing on the roof of another building, as well as a masked man holding a bloody weapon in his hands... (Source: Japanese publisher, translated)

A young man has a chilling dream. He is in a cold, dark hallway, gripping a knife in his hand. But when the terrors he encounters bleed into reality, nobody is safe... (Source: SiberOwl)