A faithful live-action adaptation of Takasugi Kou's original work, "Raku,"!! Even though the family finances are both difficult, Ryota's son felt happy with the path he was able to walk. One day, when I got home from school, I saw my mother indulging in having sex with someone else. What's more, his opponent was Ryota's best friend Yuya. An impulse that he had never felt before began to swirl through him... At that moment, Yuya's mother sees Ryota and invites him into his house. Ryota, who was shaking with unspeakable emotions, suddenly tried to push her down...