Trinity Seven-san

 is a four panel comedy adaptation of the Seven Magicians series, written by Kenji Saitō and illustrated by Misaki Mori. The series was originally serialized in NicoNico from April 1, 2016 to December 23, 2016 and later compiled into a single volume on Feburary 9, 2017 by Fujimi Shobo.

Synopsis
Lilith falls prey to striping magic, Levi and Lugh sell Doujinshi, Arin and Yui seduce Arata...!? The characters of Trinity Seven go on a rampaging comedy!!

Trivia

 * Prior to the series, the artist, Misaki Mori, initially contributed a chapter to the Comic Anthology.