オトナの恋のはじめかた

“What an erotic face, don’t be so greedy.” Shinoki has ended up working in the same company with 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 one night with Nagase?! 1-3. Otona no Koi no Hajimekata (How to make love in the office) 4-5. Love+Love+Love? 6. Tama ni wa Futsuu no Date demo.