@ewefwwefwef I don’t think it was Araki’s decision. I don’t remember it too well but I’m too lazy to look it up. If i recall correctly, Araki always intended for Annasui to remain a girl and even be . Not sure if that’s a spoiler but better safe than sorry. Then someone, maybe his editor or...
@abconlineI’d say chapter 70. This is when Tatsumaki pulls up the entire base. Don’t take this as final, because Murata adds and restructures events. For example, Phykos doesn’t fuse with. Orochi, Tatsumaki doesn’t even get hurt until later and