I think we all knew it was tsubomi but the confirmation feels so good. The mochiverse gets bigger every chapter
Chapter 2: I want to make up with my sister -First Part-
I accidentally called my little sister...By my ex's name...I'm really sorry...Like, really. Please forgive me...My ex-girlfriend's name is Kagaya Tsubomi.but now Sayo is angry at me for keeping my history with my ex a secret.When we were dating back in CollegeI used to call her Tsu.We were going out for almost a year...Then one day, she suddenly broke up with me.Since then, I haven't had any contact with her at all...Hiding things like that from me. You're the worst!