Ema is a 4th grade elementary school student affiliated with Rengecha FSC. She was born in Kyoto and is long time friends with [Suzu.](https://anilist.co/character/209212/Suzu-Kamoto) Her cheeks are always red, and she is well behaved but not afraid to say what's on her mind. She is a hard worker who believes in actions over words. She is an only child and her tall height for her age makes her a motherly figure among her classmates. She doesn't dislike it, but she also likes Suzu treating her like a little sister.