Arie tells Ryo that even if she knows that he has a crush on someone else, she wants to do everything she can to get him to like her. Ryo considers the fact that if he went out with Arie, society wouldn't care, but if he were to actually date Ichika, their age gap may end up hurting her, so his heart starts to waver. But then, Masuda who was over at Ryo's apartment to have some drinks with him, also tells him he needs to stop being selfish and be a better person. Meanwhile, Ryo's father finally returns home, and...
Oh, you did mention that you 
had a sister in high school.
Ah, er hat ja gesagt, dass er
eine Schwester in der Oberschule hat.
Cierto, dijo que tenía
una hermana en preparatoria, ¿no?
Cierto, dijiste que tenías
una hermana en bachillerato, ¿no?
Ah oui, j’ai entendu dire
qu’elle est encore au lycée.
Oh, ci aveva detto 
che ha una sorella che fa le superiori.
Ah, você disse que tinha uma irmã mais
nova que está no ensino médio.
А, вы как-то говорили,
что у вас есть сестра-старшеклассница.