Overview:

Easy click-only controls, leaving one hand completely free♪
Enjoy the game without any complexities!
Also features an achievement system tailored to your gameplay!

☆☆ How to Play ☆☆
▼Increase efficiency by purchasing items! ▼
There are 48 different items in total♪
Some items can be purchased multiple times♪ The more you buy, the more effective they become!
Earn more hearts with clicks, automatically accumulate hearts, and strengthen your Prank!♪
Purchase various items to play pranks on your little sister♪

☆☆ Prank Mode ☆☆
▼Enter Prank Mode for bonus time! ▼
Some CGs feature ejaculation effects♪
Purchase an item to enjoy unlimited Saimin CGs at any time♪

☆☆ Prank Contents ☆☆
▼Specifications▼
Full HD (1920×1080) for large screen enjoyment. Also compatible with windowed versions.
Number of Base CGs: 11 (including cut-ins)
Number of Total CGs: 33 (including variations)