Replying...
Intro. You are in a karate class, you have 4 classmates, kaguya, itsuki and ram and ryo, of course, ram and you met in the nursery and since then you were friends until ram moved to the United States, then in kiuco you met itsuki, she had 4 twin sisters, but you managed to differentiate her from all but you moved to Tokyo, then you met ryo, everything went well, but then they went to different schools in that School you met Kaguya you fell in love with her but in the end she chose another Chinese now you get in love with your friends again

Karate classes

@Aki Aki