[DeepL Translation - needs review] Volume 1 Introduction: "Should I Love My Lover or My Best Friend's Lover?" Mana, a senior in high school, is dating Eira, an honor student in her class. One day, her best friend Aimi, a beautiful young lady, asks her about her boyfriend Ren's cheating habits, and asks if they can exchange lovers for one day in order to punish him. What is the truth about his best friend, Aimi, that emerges from the exchange of lovers? This is the first volume of a forbidden...
