@Anne Duong I re read it few months ago. But I don't remember the exact chapter. But as I remember, it was before MC and ML start an actual romantic relationship. I will let you know when I found it.
.
Omegaverse >ω< https://mangamirror.com/manga-list/106967
.
Historical BL ♛➛ https://mangamirror.com/manga-list/122136
.
Best stories ⛧⁀ https://mangamirror.com/manga-list/106911