Chou! Isekai Gakkyuu!!

Chou! Isekai Gakkyuu!! summary:

After an incident, interactions with many different worlds started in the modern society. Elves, women knights, vampires, cat eared girls, fairies, and even demon lords are freely walking in j.a.pan, and to allow them to study the special cla.s.s “Itoku” was created! In Itoku, a boy, Yak.u.ma Mamoru, became the cla.s.s representative and began a fullfilling school life as his cla.s.smates from different worlds relied on and became attached to him!