Responses
It's because they said it to someone, I think it was when someone was proposing to her or something, so it's a joke about that, thought it came badly misinterpreted by a lot of people
Nah they really are officially dating even in official translation haha.
Oh my god i haven't read this in awhile, im so happy the gang is back together also what the hell was that in chp 331 "im officialwy your girlfriend" ??? Is the translator messing with us ?????