Kazuto Ishikawa is a first-class architect. He is married to Kiyomi. They have a son, Tadashi, who attends high school and a daughter, Miyabi, who...

Sota Nishino is a good-looking high-school student. He meets Mai, who is his friend Yukihiro Nanase's younger sister. She is also a high-school...

Periods are depicted as pink, heart-shaped sentient beings that harass women on a monthly basis, delivering awful gut punches, but also offering a...