Love triangle with blue hair girl but not that intense like in romance manga

Does he sleep with her though?

Threes*ome

Oh.

Raws link? Chapter of threesome
And why did they agree to threesome?

https://ero18x.com/manga/ga-gi-ne-do-raw/chapter-40/

Bruhhh and thanks for raws link.
Why did the dude fuck the blue hair too?
But it looks like the two girls set him up idk