Trinity Seven: Special Appendix

 is a special fan book released in the Monthly Dragon Age July 2016 issue on June 9, 2016 containing illustrations of the Trinity Seven by multiple artists.

Synopsis
TBA

Trivia

 * Yokoyama Kouji is the artist for another of Kenji Saito's manga, Red Night Eve.
 * Several of the artists that contributed to the Appendix had also formerly submitted other pieces in previous Trinity Seven works as well:
 * Nanaroku wrote and illustrated TriSev Girl's Master from the Trinity Seven: Anthology series.
 * Hanao Sutarou contributed Scroll of Ninjutsu Training is Severe!! from the Anthology, as well as illustrated the Levi Story series.
 * Wadapen provided an illustration of Lieselotte & Selina Sherlock in the Anthology.
 * Watanabe Tsuyoshi previously wrote and illustrated EROS & Majutsu in the Anthology series as well.
 * D.P also contributed an illustration of Arin in the Anthology.