Shikisaki Shimai wa Abakaretai - Vol. 5 Ch. 56 - Sleeping Together

[MangaDex]

 

[Phantaminium]

I can only see this ending well

 

[Wabewalker]

River formation!

 

[Warmuffin]

Well this is going to be akward

 

[Doomroar]

Well go on detective Yamada she is calling for you!

 

[VF89]

Much worse walking in while you're doing it, I'll say.