Well, if yours are smaller then there are ways to rectify that mistake.
wink wink nudge nudge

Actually, this made me think that the breast sizes in Genshin are surprisingly small

Ah, yes. Another victim of Googling oneself and finding lewds.

Nare masu yo.

davisaal said:

Actually, this made me think that the breast sizes in Genshin are surprisingly small

Everything's small by Azur standards.

*genshin impact holiness increase* Acceptable