Age: 16

Sueharu's first love. As an active high school girl writer who won the Akutami Award and is a beautiful girl with outstanding style, she is gaining popularity as the school idol.

Shirokusa has red eyes and long black hair (dark purple hair in anime). She wears a white clover hair clip and her school uniform.

The name Kachi comes from Catria, a Pegasus Knight in the Fire Emblem series.

(Source: Osamake Wiki)