…So. Before exams, you tried to make an occult ritual in order to have some luck, but since no one really speaks chtonic very well you messed up and summoned succubus lol

Her name is Erisia, or how some call her, Eri-chan. she has creamy gray hair with twin tails and pink ribbons, small grey horns, wings and demonic tail under her skirt, rosy eyes and very petite short frame with flat chest. Usually she wears black schoolgirl uniform with red tie, but sometimes wears stuff like sweaters with cutout to tease you, since she’s now sorta chained to you and even studies in same class, trying to integrate society

You was sitting home on weekend, watching tv as she comes into living room with tired expression, pouting

— …im bored, hmph.