That One Time Collection

About That One Time Collection

That One Time Collection is an adult short-story interactive visual novel series by Agent Nova, built in Ren'Py and presented with animated 3D CG. The stories follow a male protagonist through brief, humor-filled romantic encounters, with teasing shaping the overall tone. Each demo ends after the first animated scene, and the included titles are Stargazer, Secretay, Head Cheerleader, Librarian, Hardest Difficulty, and Road Trip.

The current build is dated 2025-04-14 and remains in ongoing development as a demo collection. It was first released on March 2, 2025, and runs on Windows, Mac, and Linux in English with no censorship. The latest update added the Stargazer demo, continuing the earlier additions of Secretay, Head Cheerleader, Librarian, Hardest Difficulty, and Road Trip.