My Dirty Little Secret with Senpai 3

Having peeped on Shiho and Junichi before, Marin now wants a piece of the action too and joins them in going to a love hotel for the first time. Everyone’s nervous for their own reasons, but that nervous energy soon ignites into a whole night of lust…

(Source: Fakku!)

Note: A live-action AV adaptation (MIMK-121) was released on June 20th, 2023.