Senrihin Reijou Sheryl wa Jibun Okorosu Otto o Kago Shitai - Vol. 1 Ch. 5.2

[MangaDex]

 

[lesseffective]

I bet she had a decree for visiting her slipped into his stack of papers.

 

[Hakira]

Going with slipping into his room at night as that's another common trope in romance novels.