Please help me find this webtoon

Junior seme gets caught taking photos of senior uke on university campus and gets blackmailed by the uke- I think into taking more photos of him professionally? I'm not sure. Seme has dark hair, while the uke is blonde. Uke smokes and is a bit cold towards him at first due to his past relationship. Seme is a virgin and they end up having sex and then dating one another- seme also ends up growing over the course of a few months.