Nade Nade Skill de Maryoku Chuunyuu!!

Caressing the lewd monster girls' XXX ♥

The deadpan-faced boy, Fushimi Mahiro. Because of his facial expression, he's feared in his school, without a place to belong. One day, he gets transferred to another world by a squid he picked up! The squid then turns into a beautiful girl, calling him "Demon Lord-sama", and gets attacked by a hero...!? Scouting lewd monster girls & strengthening them to protect the demon castle!!