Mikajime Ryou

Matsui is a young employee working amidst a group of older women. Though he initially struggled to fit into the office environment, a lecture from his department manager on "how to handle mature women" opens his eyes to the allure—and pleasures—of older ladies!!

Haru is a high schooler that has lived his life hated by others for being stateless - someone without a legal nationality. After killing his parents to protect his sister, he gets drawn into the underworld...