Puberty hit i guess..they grow up now
This is actually the timeskip after the last Christmas special when He Tian came back home. Considering XiXi is probably in college and they can drink i’d say they are at least 20.
ohhh is that so. then ill have to re read again to connect them althogether in my head thanks whahsha
To make it easier, all the specials (holidays) are in the future
i'm confuseddd he tian looks more mature now in ch452?? timeskip???? and the progress of their rs like wow???? NOT COMPLAINING THO HWUSHDHAHHA