TSUKIMURA Kei

From Nexus Scanlations: Per a request from his assistant to get his house cleaned, ero manga artist Asahina—nickname Hina—hires a cleaning service. However, the person who shows up is actually Asahina’s beloved Sahara-senpai from his junior high days! Sahara was cool, able to do anything, but was just a bit mean. Hina, who loved that Sahara, made a brave decision. On the day…

Miki Tamura can read people like a book. To maintain his happy home-life and to please people, it's a skill he's learned to acquire. But what happens when he meets someone that can't be read so easily? Note that this manga is 4 chapters which never received a book (tankoubon) release. It's a partial adaptation of a 2-volume novel series also illustrated by Yumeka Sumomo.

Komatsu Shin was shaken when he was found out to be gay, but his roommate Nakajima was unaffected and arranged a blind date for him. However, the guy who showed up was actually the dorm supervisor, Shindo-sensei! Official Korean Translation