
My Sister CD Key
PC price comparison · SEO SOFT · Nov 15, 2026
'My Sister' is a casual Visual Novel JRPG. Play as 25-year-old Jung-boong, taking on jobs and adventures to heal his depressed younger sister. Complete non-combat quests, and battles to unlock multiple endings and event CGs!
Lowest final price
at Steam · Standard Official
Historical low: $1.19 on November 15, 2026
Get the best deal ↗Compare My Sister key prices
Sorted by final price including fees, never by commission.
| Store | Edition | Activates on | Region | Price | Fees | Final price | |
|---|---|---|---|---|---|---|---|
SteamOfficial | Standard | Steam | Global | −40%$1.19 | none | $1.19 | Go to store ↗ |
- SteamOfficial
Standard · Steam · Global
$1.19 · fees: noneGo to store ↗$1.19
My Sister price history
The chart appears after a few days.
Historical lows by store
- Steam$1.19
About My Sister
'My Sister' is a lighthearted yet engaging comedy Visual Novel / RPG set in an everyday story setting. Story 25-year-old unemployed "Jung-boong" lives alone with his 20-year-old younger sister. One day, his sister falls into severe depression and becomes unable to step outside the house. To help his sister recover, Jung-boong takes on various part-time jobs and sets off on adventures to find a cure. Talk to your sister every day and listen to her troubles. The more you fulfill her requests, the more her heart will heal! Gameplay Designed as a Visual Novel-style JRPG, the game is easy to play even for beginners. If you ever run out of ways to earn money, equip weapons and armor, defeat monsters, and raise the funds you need! ✨ Key Features 📖 Humorous & Heartwarming Story: A fun blend of serious narrative and comedic everyday moments. 🖼️ Multiple Endings & CG Gallery: Collect various event CGs and unlock different story endings based on your gameplay choices. ⚡ Stamina & Exploration: Plan your daily schedule and routes efficiently to resolve events and solve problems. ⌨️ Controls Move: Arrow Keys Interact / Select: Spacebar Quest Log: Page Up (※ Note: This game contains mild partial nudity and suggestive themes as part of its story progression.)Read more
My Sister system requirements
Minimum
- Requires a 64-bit processor and operating system
- OS *: Windows 8.1 / 10 / 11 (64-bit)
- Processor: Intel Core i3-4340
- Memory: 8 GB RAM
- Graphics: Integrated Graphics
- Storage: 1 GB available space
- Sound Card: Onboard Sound Card
Recommended
- Requires a 64-bit processor and operating system
- OS *: Windows 8.1 / 10 / 11 (64-bit)
- Processor: Intel Core i5-8400
- Memory: 16 GB RAM
- Graphics: NVIDIA GeForce GTX 1050
- Storage: 1 GB available space
- Sound Card: Onboard Sound Card
My Sister key FAQ
+What is a My Sister CD key?
A My Sister CD key is a digital code that unlocks the game on a PC platform such as Steam. After redeeming it, you download the game directly from that platform and it stays in your library.
+What is the cheapest price for My Sister?
The cheapest My Sister key right now costs $1.19 at Steam, 40% off the regular price. We compare 1 offers from 1 store, and the price already includes payment and service fees.
+What is the historical low for My Sister?
The lowest price we have recorded for My Sister is $1.19 on November 15, 2026. Check the price history chart to decide whether to buy now or wait for the next sale.
+Is it safe to buy a My Sister key?
Buying from an official store such as Steam, GOG or Epic Games is always safe. Key resellers are often cheaper but sell keys second-hand, so check the region lock and buyer protection before you buy. Every offer on GameKeyDeal is labelled as official or reseller.







