Wasureta Koi no Shuufuku Hou

One day, I woke up to find that my best friend had become my lover. Yagi Shouma, eighteen. I was supposed to be in love with Mizuki, my childhood friend, but when I woke up, there was Mizuki, who claimed to be my "boyfriend," all grown up. I am now an adult too, but it seems that I have lost seven y