Synopsis
Soma Toshiya finally has his first girlfriend, Ayashiro Ren—a perfect honor student with a beautiful appearance, excellent grades, and domestic skills!
However, she has strict moral values and won’t give her body to anyone until marriage…
At Ren’s family home, Toshiya meets her older sister, Ayashiro Kaname—a slovenly shut-in NEET who is the complete opposite of her sister in both appearance and personality.
Kaname sees through Toshiya’s pent-up frustration and seduces him, taking his virginity in the process.
Despite feeling guilt for betraying his real girlfriend Ren, Toshiya is drawn to Kaname’s voluptuous body and repeatedly visits her room to engage in infidelity.
He resolves to end their illicit affair after the school festival, but…
■Reverse NTR・Infidelity
■Plain & Chubby
■Cat-ear Maid Costume
61 pages in black & white
Get “I Was Cuckolded by My Girlfrie” on DLsite
This Week’s Top Rankings:
Editorial Review
[Jordan’s Pick]
If you’re looking for something that plays with relationship dynamics in unexpected ways, this one definitely swings for the fences. “I Was Cuckolded by My Girlfriend’s Sister” takes the netorare premise and adds some interesting twists with its reverse NTR elements, creating scenarios that subvert typical genre expectations in entertaining ways.
The work centers around a NEET protagonist finding himself in increasingly complicated situations involving his girlfriend and her sister. What makes this stand out is how it balances the fetish content with actual character dynamics—there’s genuine tension here rather than just mechanical scenarios. The inclusion of maid costumes and varied body types adds visual variety that keeps things engaging throughout.
The chubby and curvy character designs are rendered with clear appreciation for the aesthetic, and the art maintains consistent quality across scenes. The pacing moves at a reasonable clip, giving you enough setup to actually care about what’s happening before diving into the more explicit content. It’s the kind of work that understands its audience wants more than just isolated scenes—there’s a narrative thread connecting everything.
This isn’t your standard netorare fare, and that’s precisely the appeal. Whether you’re a longtime genre enthusiast curious about reverse NTR perspectives or someone wanting to explore relationship-focused adult content with some personality, this delivers on multiple fronts. Check it out on Henhenta if unconventional relationship scenarios with solid execution appeal to you.
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