Soredemo Ashita mo Kareshi ga Iiそれでも明日も彼氏がいい; Even So, I Still Want to be Your Boyfriend Tomorrow; Dẫu vậy, ngày mai anh vẫn muốn là bạn trai em; 明天還是男朋友更好; 明天还是男朋友更好

Kouhei and Mako are a couple in love. However, Kouhei is worried because Mako is very unwilling when it comes to having sex with him. On one such day, he hears a proposal from Mako: how about partner swapping sex with another couple?