Mairimashita! Iruma-kun
Ongoing | Osamu Nishi | 2000 released
Iruma was sold off to a demon by his parents and ended as the demon's grandson while attending the school for demons managed by his grandpa. As human, he must hide that very fact that he's not a demon.
Yuusha-sama Ni Ikinari Kyuukonsareta No Desu Ga