Gyosunimui Seongdochakjeung

Juyeon falls for her professor, Jeonghyeok, at first sight. After four years of nursing a one-sided crush, she finally works up the courage to confess, only to receive a shocking proposition from him...

*“I'm going to introduce you to ---- next week. I want you to meet them.”

“What you're saying is…”

“I’m telling you to sleep with them as well. And then, bring me proof.”*

(Source: Lezhin, translated)