Kitsune to Nezumi no Kakurenbo

Sachio's in heat for the first time since he and Shinobu officially paired. He's not sure he should tell him, since he's worried it might make him sound too needy... like he's begging Shinobu to scratch that itch. Keep reading to see what happens between the sheets after the two finally become an item!
(Source: Renta!)
Note: Originally bundled as a bonus booklet with the special edition of The Foxy Mouse's Romance (Gochisou Ω wa Chuu to Naku) Volume 1.