This one is super sweet, but sadly one shot and unfinished. Manager and subordinate need to share a double bed as there are no other rooms at the inn. He offers to be tied up so he doesn't do anything to her, which was cute as hell. And the thing of the wrists was a bit sexy ngl.
ML is having sex with his girlfriend when her sister peeks in. He then finds her masturbating. He is super turned on by the sister, and ends up getting with her in the end.
Choukyoukei Danshi Ookami-sama to Koneko-chan