Step Sister

In a tragic turn of events, esteemed artist Hiroshi meets an untimely end due to heart disease, leaving behind his young and beautiful wife Megumi. Their tumultuous relationship causes friction among family members, particularly their son Kyosuke. Yearning for a life without Megumi's presence, he conspires to remove her from the household. In a surprising proposal, Megumi suggests that if Kyosuke can devise an exciting arrangement involving his sister-in-law Yuna, their stay in the family home would be allowed. Intrigued by this proposition, Kyosuke readily agrees and sets off on an adventure with Yuna.