Isekai Maou to Shoukan Shoujo no Dorei Majutsu Ω Mini Anime (Series)

Diablo

Based on the limited information, Diablo is a character appearing in anime and potentially manga.

Fumiko Uchimura

Rem Galleu

Rem is a character from the Re:ZERO franchise, known for her maid uniform and sky-blue hair that partially obscures her right eye.

Azumi Waki

Shera L. Greenwood

Shera L.

Yuu Serizawa

Rose

Rose Pattenton is a protagonist in the anime Metal Armor Dragonar.

Aoi Koga

Lumachina Weselia

This information is not available in the provided text.

Miku Itou

Horn

Horn is a powerful spirit and loyal familiar summoned by Hibiki Otonashi.

Fumiko Uchimura