Lilith Azami is the Trinity Seven of the Luxuria archive and user of Outer Alchemic, as well as a teacher at the Royal Biblia Academy. As the one who introduced Arata Kasuga to the magic world, she becomes one of his earliest ally and friend, watching and supporting him since their initial meeting.

Trinity Seven: 7-Nin no Masho Tsukai (トリニティセブン 7人の魔書使い Toriniti Sebun: Shichi-nin no Masho Tsukai) is a fantasy romantic comedy harem manga series written by Kenji Saitō with art by Akinari Nao. The series has been serialized in Fujimi Shobo's shōnen manga magazine Monthly Dragon Age since 2010 and currenlty collected in nine tankōbon volumes