Otona no Koi no Hajimekata — Chapter 1
34 pages, from Starry Sky Scans, released May 30, 2019.
Volume 1
Description
"What an erotic face, don't be so greedy."
Shinoki has ended up working in the same company as his long-time rival from high school, Nagase. As usual, Nagase manages to catch everyone's attention, irritating the hell out of Shinoki. At a drinking get-together with their colleagues, Shinoki ends up wasted and is sent off to a hotel where he spends the night with Nagase and gets fucked?!