Ikuiku Succubus Saikyouiku

Being an experienced teacher, Busujima fills students' heads with high-quality knowledge. One day, exchange students from the succubus kingdom come to study with him. These insidious and ugly creatures completely refuse to learn, and the quiet life of a man is turned upside down. But he wouldn't be called Busujima for nothing. Raised according to samurai traditions, he intends to walk his path to …