B6 Comics Okuma does that with his sister (1) / Kazuhiko Sadakiyo

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Akuma Dehler, who reigns in the overwhelming number one position in the Makai where the strong are rampant. But Dehler wants to be number one not only in Makai but in all the world. In order to fulfill his ambition, Dehler enters into contracts with humans. In exchange for fulfilling the wishes of the contractors, he can acquire superpower by eating the souls he took away! The target of Akuma shiro shizuka, a 19-year-old king who lives with his younger sister who is in elementary school. His gentle wish to offer his own soul was to let Dehler do housework. In this way, Akuma, who is aiming for the strongest power, is going into a new battle called housework.