(“Please Be My Sex Practice Partner!”) My tomboyish childhood friend Momoka, who didn’t want to embarrass herself before her first time with her boyfriend, asked me to practice sex with her, holding a condom. After finishing the awkward practice, Momoka awakened to the pleasure of the cock. During the three days her parents were away, the two of us went at it all over the house, revealing our sexual desires. With 11 ejaculations, she became a slave to raw sex…