Hiroki Miyama

High school student Tadashi harbors feelings for his best friend Kota, only to face ridicule from classmates—and growing distance from Kota himself. One day, he encounters Hiroki and Shinji, a same-sex couple on the train, and is drawn to their quiet confidence in being themselves. Curious and captivated, Tadashi begins to follow them, gradually becoming part of their lives. But as their connection deepens, an unexpected incident changes everything.

High school teacher Yoko Fujita harbored a hidden desire to be a slave. However, her beloved husband, Toshihiko, was a true masochist. Every night, Toshihiko's sexual desires were satisfied with verbal abuse and spanking, but Yoko lived each day feeling frustrated. Then, one day, Toshihiko is caught stealing underwear. From then on, the balance between the couple rapidly crumbles. Around the same time, Keiji and Ichiko, a high school couple who are both masochists, continue their strange romantic relationship. What will become of these four masochists...?