From Morumotto Scans:

The closet gay working at a boys’ bar and single for as long as he’s been alive, Takasumi Kazushi, can’t resist immediately viewing the guys around him as romantic interests and is worried about how quick he is to fall in love. Recently, Kazushi has gotten close with the younger university student living next to him, Isaki Sou. Kazushi’s heart quickly starts to pound for the ikemen Sou who makes food for him as an apology for being taken care of after passing out drunk. One day, Sou invites Kazushi to the hypnotic aroma oil massage salon he works at after learning about Kazushi’s worries and proposes for him to undergo a special training in order to build up his resistance…