Trinity Seven: 7-nin no Masho Tsukai - Episode Guide

One day, Kasuga Arata is informed that he is approaching expulsion from the school due to bad grades. The only way to avoid this is to study the Archives of the Trinity Seven, which means he will get a special lesson from each of the seven girls! Now, what new things will they teach him?

— written by Singan

Note: Bundled with limited edition of the 11th compiled volume of manga.

One day Kasuga Arata, the demon lord candidate who possesses the "demon lord element", casually touches Asami Lilith's grimoire, the Hermes Apocrypha. At that moment, he is suddenly surrounded by light, and a mysterious young girl shows up in front of him. He gives her the name Lilim, and she becomes attached to Arata and Lilith as her mother and father. But in the same moment she appeared, something in their world changed...

The forbidden "Eternal Library" has awakened. Sealed within it is the ultimate product of alchemy, a human creation called the White Demon Lord. The White Demon Lord plans to take out Arata and the Trinity Seven so that he can become the true demon lord. Arata and his companions must face a power greater than any they have ever seen, one that threatens to destroy the world. Can Arata and the Trinity Seven protect the world?

Source: crunchyroll

Arata, Lilith and the rest of the Trinity Seven ace off against their greatest enemy; Lilith's own father, who is revealed to be the strongest Demon Lord. He challenges Arata who is now a Demon Lord candidate.