It has been serialized in Fujimi Shobo's shōnen manga magazine Monthly Dragon Age since 2010 and collected in thirty-one tankōbon volumes as of August 2024.

A light novel adaptation by Kenji Saitō with illustrations by Akinari Nao is being published by Kadokawa Shoten, and the first volume was released in November 2014.

An anime film adaptation titled Trinity Seven the Movie: The Eternal Library and the Alchemist Girl premiered in February 2017.

[4][5] A spin-off manga written by Saito and illustrated by Sutarō Hanao, titled Trinity Seven: Levi Ninden (トリニティセブン　レヴィ忍伝), launched in Dragon Age on November 9, 2015,[6] and ended on December 9, 2016.

[7] Chako Abeno launched a second spin-off, titled Trinity Seven: Liese Chronicle (トリニティセブン　リーゼクロニクル), in Dragon Age on February 9, 2017.

[13] An anime television series adaptation by Seven Arcs Pictures aired on TV Tokyo from October 7 to December 23, 2014, and other channels on TVA, TVO and AT-X.

[17][18] A film adaptation of the manga series was announced in the Monthly Dragon Age magazine's August 2016 issue in July 2016.