Sumika Mikagami's Uniform Activity

Sumika Mikagami's Uniform Activity is a Japanese adult kinetic novel about a boy's relationship with a slightly older girl. The player takes on the role of a high school student who meets a girl named Sumika Mikagami at a theme park whom he later discovers is his new neighbor. Although he assumed that Sumika is a fellow high school student due to the fact that she wore a school uniform at the theme park, she is actually a university student who wears the uniform to remember her school days. The protagonist and Sumika begin to develop a relationship as they learn more about each other's eccentricities.

The Windows version includes scenes with sexual content that were omitted from the console versions.