Embark on a journey where you meet your sister's three friends unexpectedly. Roam freely through school, home, bustling streets, and parks, getting close to heroines and aiming to become their significant other. This romantic adventure game features four multi-endings.

You find yourself interacting with classmates and juniors, including your sister, initiating a romantic game involving all four characters.

The game features character voices by V voice actors from "Boisore": Rin Sumizaki, Reina Shiratori, Saki Asa'aoi, and Kogane Hinata. Each character's voice enhances immersion, delivering adorable voices tailored to each character. Note that it employs partial voice acting, not full voice acting.