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"Let's play Onii-chan" is a Slice of Life/Eroge Kinetic Novel about a developer of AO-rated games and his younger sister, who wants to become a developer too and intends to learn by doing things.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Social Deduction Fest ends
Official stores with direct support.
Right now the cheapest offer for Onii-chan Asobo is CA$10.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Onii-chan Asobo is CA$10.99 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when Onii-chan Asobo drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
