Momo is the younger sister of Lala, the alien princess who has long since been engaged to the human Rito. Although Rito’s heart continues to waver between Lala and his first crush, Haruna, Momo finds herself...

Yatsufusa Yoh's father reappears after a year and suddenly enrolls him into a school out of the blue. Offered the chance to meet with an old friend, he sets out only to run across two Nemesis Power Users and...

Short stories about the past from the girls of the manga Trinity Seven. Volume 1 - Takes place between chapters 38 and 39 of the main manga.

Arata Kasuga is living an ordinary life with his cousin Hijiri when a mysterious happening called a "Breakdown Phenomenon" makes her vanish before his very eyes. Determined to eradicate the Breakdown Phenomenon...

Comic anthology of Trinity Seven, featuring multiple short chapters and various illustrations.

Tsukiyoda Sadame, a hypocrite and a high-schooler who dreams of conquering the world. A person who's popular the moment he transfers into his new school. But suddenly a terrible truth is revealed to him! That...

The series' protagonist is Takashi Horimachi, a fifth grader at "Anytown" Elementary School. A transfer student named Taro Tanaka enters Takashi's class. Taro Tanaka turns out to be a space alien. Takashi...

When humanity was threatened 5 years ago, the boy who saved the world was driven to despair and became regarded as the enemy of all of mankind. And now a new crisis approaches humanity. The curtain rises on a...

Gotta flirt to save the world! High schooler Takuma Akutsu is terrified of human contact and just wants to live a quite life. Too bad he doesn't have a choice in the matter when nine Valkyrie sisters come...

Nina the cat lost the Zodiac Race by one spot, and she's held a grudge for millennia. When she forces a divine do-over, unlucky student Cosmo Lee becomes the reluctant referee. His mission? Gather twelve Zodiac...