My Summer with Mom and Sis

My Summer with Mom and Sis is a highly engaging adult RPG you can play instantly in your browser on mobile or PC. You control Connor, an eighteen-year-old spending his final weeks at home before heading off to college. Dealt a bad hand with an alcoholic and unreasonable father, you instead focus your attention on fucking the stunning women around you, including your incredibly thicc mother, your sexy gothic sister, and a hilariously naive neighbor.

The gameplay blends relationship management with classic top-down exploration and intricate puzzle mechanics. You must carefully manage your daily energy to build essential stats like Charisma while completing various chores. The developer intentionally removed hand-holding hints, transforming the town navigation into a rewarding test of efficiency where calculating the optimal path unlocks hardcore, animated sex scenes.

Visually, the renowned character models shine brilliantly, overlaying hot animations directly onto the environment. Because there is no static gallery to fall back on, every single erotic encounter feels like an exclusive, in-the-moment prize that you must actively earn. Optimizing your schedule and maxing out affection levels can even unlock a highly coveted incestuous threesome ending.

Press Play and start directly in your browser. My Summer with Mom and Sis plays online on mobile and PC, with no download and no sign-up.

About the Developer: Created by NLT Media - support the developer for updates and more work.

Game Info: RPG Maker adult adventure | by NLT Media | Taboo / Puzzle / Dating Sim | English.

Updated to 1.0 on March 9th 2026.

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