The manga is an anthology story centering on the Crypters, the betrayer agents of Chaldea that are the center of the Fate/Grand Order smartphone game's "Lostbelt" story line.

Fujita is raising his elementary school son all by himself. His enemy is the stiff teacher, Ibuki, who is actually called a "dangerous type" and a feared retired Yankee! Ibuki's forceful and savage face as well as his sometimes gentle face, Fujita who is tossed around by the two faces is?!? The clumsy adult's real love is here. Yamato Nase's best book in history has finally arrived!!

My childhood friend, Magary, was chosen to be the saint. From here on out, she'll have to maintain a smile at all times while at the royal capital and take lessons in etiquette and dance. She'll be living in an excruciatingly stifling world. Having been together since birth, there was naturally one thought in my mind. While feeling a little bit of loneliness… I pushed my childhood friend (who was trying to escape with all her might with her arms still bound) towards the knight that came to pick her up. "Alistaaaaaaaaaaaaar!!" I feel as if there was some deep resentment in her voice, but that was probably just my imagination. As her last act of futile resistance, she had me see her off to the royal capital… but, that ended without any problems. "Now that that's over with, I'll be heading home. Good luck ^^" I turned my back towards my childhood friend who looked me with deep resentment in her eyes. While I was making my way home… I had to turn around as I was chased by goblins. "Noooooooo!! Someone, helpppppppp!!" This is the misunderstood heroic tale of a scumbag hero and scumbag saint mutually getting in each other's way as they attempt to pursue happiness.

Eita enters high school aiming for the National University School of Medicine. Because of his parents' divorce--and his goal--he shuns anything to do with romance or love. One day Masuzu, the school beauty with the silver hair, who's just returned to the country, enters his life in a most unexpected way. Chiwa, his childhood friend since elementary school, will not let this go without a fight.

Kyouya Hashiba, who worked at a game company, had his dream shattered and decided to return to his parents’ home, but after waking up, it was ten years ago…… For some reason, he was attending the arts college that he was supposed to have given up on, furthermore, the creators that he admired in the future were his classmates!?

"You" once again escaped from the prison to a high school where he became a transferred student. Now what kind of lesson was he going to teach his "classmates"? This is a direct sequel of Hammer Session and is placed 6 months after the original series.

Akane Amou, who grew up with her parents forbidding any kind of entertainment, is a little bad with "stimulating" stuff, to the point she can't even watch a kissing scene in a drama. Now that she’s a highschool student, she somehow wants to overcome it! Those are her intentions, but it’s not that easy. Meanwhile, she got acquainted with a movie otaku named Fuyumine. Will she be able to watch an R15 movie…?

Misumai Youshin, a boy with a negative personality, starts going out with Barato Nanami, a prim and proper type gyaru who is at the top of the class caste. But as a matter of fact, the confession was part of a punishment game!? And yet, Nanami, who he thought was a gyaru, was only a gyaru in appearance; in truth, she was not good with men! But the way they met in the morning, went to school together and ate their lunches together, none of this appeared to be a punishment; Nanami looked deeply in love with Youshin――!? This is a super sweet love story that starts with two beginners in love!

Standing at the crossroads of life; the important choices - “Flags”. Hatate Souta, a young man who can see these flags, transferred to “Hatagaya School”, a prestigious school in the metropolitan area. Not only does he meet beautiful girls in his busy school life, he even goes as far as living with them under the same roof! Surrounded by these flags, this enviable romantic comedy begins!

Rin, Nerine, Mayumi and Itsuki travel back in time where they meet Nerine's parents before they got together. But Nerine has started to change, has their interference changed history? Follow Rin & Co. as they try to set history back to normal!

Sudai Takashi is an employee of a candy company. After three years, he is promoted together with his new co-worker Kobayashi Chikako. Kobayashi is a person who is not sociable, is dull and shy. She also hides her chest since that caused her some problems in the past. Sudai will try to change this negative girl, and maybe he will start to harbour some feelings for her along the way. *Notes: \- Originally published to the author's Twitter account on October 5, 2017. \- It was originally published on Nico Nico Seiga under the title "**Jimi Joshi x Osekkai Danshi**" (地味女子×おせっかい男子) before moving to Manga UP! on January 24, 2019. \- Includes 3 bonus chapters.*

An anthology of Trinity Seven: 7-nin no Mahoutsukai by various mangaka.