What scene where they talking about that looked familiar? lol

A long time ago He Tian twisted Momo's balls LOL

Oh i think i kind of remember that lmao
Do u know what chapter perhaps?

There was this one when all three of them ganged up to touch Momo's balls: http://www.mangago.zone/read-manga/19_days/bt/c149/pg-1/

Then when He Tian made it exclusive LOL: http://www.mangago.zone/read-manga/19_days/bt/d_chapter-256/pg-1/