They both are to much straight.

Because in chapter 27

Because in chapter 27
Spoiler!
ML was having s** with a woman in this room and MC was reading a book. But then ML said something. So MC removed his clothes and start having s** with that woman while ML is watching.

.
Omegaverse >ω< https://mangamirror.com/manga-list/106967
.
Historical BL ♛➛ https://mangamirror.com/manga-list/122136
.
Best stories ⛧⁀ https://mangamirror.com/manga-list/106911