Takianna no Honshou wa S na no ka M na no ka Ore Dake ga Shitte Iru. - Vol. 1 Ch. 1

[MangaDex]

 

[Operatix]

Damn hot first chap ugh!

 

[Strongstache]

I'm surprised to see the MC not let himself get verbally walked on by the FMC, especially in this kind of work.
Then again, given he is expected to lead this SM relationship intermittently...