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!!

A story about a young boy and his interspecies harem looking for a place to belong starts here!!

for red this manga here