**Part 4 of a 4 part series where Kazuya loses his virginity to each of the main characters. Each part should be thought of as a different scenario essentially.** After months of pretending, keeping secrets, and misunderstandings, Kazuya and Chizuru finally admit their true feelings for each other. With the weight finally lifted from their shoulders, the embrace and become an official couple. Chizuru asks Kazuya if he wants to see if they are physically compatible like how his grandma asked when they both first visited her in the hospital. Nervous, Kazuya agrees but doesn't know where to start. Chizuru once again takes the lead in the relationship and they soon find their rhythm . The two become one at last.