[Reducing Mosaic]DVAJ-648 My childhood friend, unable to bear seeing me so indecisive with my first girlfriend, became my kissing practice partner. She sucked and licked relentlessly, driving me into a state of torture. Unable to endure it any longer, we went through inte

When I got my first girlfriend, but couldn't even kiss properly, my childhood friend Rin saw me struggling and offered, "Want to practice with me?" So we practiced from French kisses to deep kisses. Her soft lips and entwining tongue felt better than I imagined, and our kissing compatibility was great. We became obsessed with practicing kisses every day. The pleasure of a thick, sloppy tongue kiss made it impossible for me to hold back just on kissing, so I half-forcibly suggested we practice sex too, and ended up having sex with Rin in an ambiguous way. Since then, things have been awkward between us, but neither of us can forget the feeling of those kisses…