GVH-538 — My Girlfriend’s Sister Kanna Found Out About My Masturbation Ban and Teased Me with a No-Ejaculation Staring Fellatio, Causing Multiple Ruined Climaxes and Swallowing — Five Days of Match-Pump Ejaculation Control — Misaki Kanna

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Even though I had a girlfriend, I kept indulging, so during her business trip I tried to practice a chastity-like masturbation ban. But her sister Kanna, who was keeping watch, couldn’t stand to see me unable to ejaculate and tormented me with a “helpful yet annoying” blowjob! "I’ll lick you, but you must not ejaculate," she said, staring at me and relentlessly teasing my sensitive dick until I couldn’t help it and erupted in a massive orgasm! "Do it again," she said, then swallowed and performed a reset-cleaning blowjob that drove me crazy! From the next day onward it was an endless loop of holding me back and forcing me to cum — a match-pump style ejaculation control! ＃班長P