Shishunki Bitter Change - Vol. 9 Ch. 65.8 - Pixiv Extra

[MangaDex]

 

[HoangDinh]

lol

 

[Kirin-kun]

Well, she didn't have her period yet when they swapped. She was too young.

So, how would she know how it's like?

 

[Kampfarsch]

The author might as well not have rushed this shit so hard if they cant let it go

 

[Julian117]

Well, she didn't have her period yet when they swapped. She was too young.

So, how would she know how it's like?

This. Like how the heck does a girl who's never had a period know about girl's periods?

Unless you have a big sister or a mother with some very unhealthy relationship of honesty, a boy doesn't have any to learn this unless Yuuta(in Yui's body) told them about it.