Masashi Kitazawa, a sophomore in high school, had a trauma. The trauma is that I was fat when I was a child!

Kitazawa, who diligently dieted and worked hard in middle school, grew up to be a handsome man and was supposed to lead a peaceful school life, but... In the new semester of high school, handsome men and beautiful girls have gathered in Kitazawa's 2nd year class A for some reason. What's more, he received a secret invitation from Ayame Yagyu, the most beautiful girl in her grade...!?

Circa 1937. A Japanese soldier in Manchuria meddling in the opium trade.

Gamble is life. The dice of destiny will change the world!

The fourth year of the Meiji Era. Yukinosuke, the son of a family of the privileged aristocratic class, goes about his life covering up a worry he has, being “I have not once had an erection”. In the midst of such troubled days, he meets Sayo, the head of a family of executioners spanning back into the Edo period. After witnessing a beheading performed by her, something pitch black starts to well up inside Yukinosuke!! Sprouting from lust begins a noble romance of blood and nature!!