NTR ~My Ex-Girlfriend's Virginity Collapses at the Class Reunion~ (Hirai Kaisha, caribbeancom050920-001)

Shell, a slender, composed, and sexually active but eccentric girl, has been a predatory woman since high school. When she attended a class reunion, her boyfriend, worried about her, secretly planted a listening device in her bag, and sure enough, it worked as expected...