Rindou Shuuto is the son of Yakuza boss Rindou Takeshi, the brutal and voracious head of the Rindou-gumi but Takeshi is a heartless and abusive parent, very much angered by his son's timid nature. However, Shuuto finds comfort in the companionship of his new bodyguard, the beautiful and mysterious Mimosa. Later, Shuuto walks in on his father forcing himself onto Mimosa. Reaching his limit, Shuuto violently attacks his father but it's Mimosa who swiftly finishes off the crime lord.

This is the physical copy of the Boku to Mimoza no 75-nichi manhwa.