|School||Haneoka Girls' High School|
|Favorite Food||Her mother's cakes|
|Least Favorite Food||Black coffee|
|Hobbies||Collecting bath powder|
Wakamiya Eve works at Tsugumi's family's cafe.
Tsugumi has soft brown eyes and chin-length chestnut brown hair in a bob. She has a small side-swept fringe. Her casual attire is feminine with natural colors.
Her original band attire is composed of a gold tank-top worn with a black leather vest, along with a black skirt beneath a sheer layer and a pair of gold and black boots. She wears the choker the rest of her bandmates wear.
In her current outfit, she switches to soft gold ruffled dress with a black lace petticoat, worn beneath a black hoodie with Afterglow written on it, along with splatter markings. This is paired with her choker and a necklace, a black thigh strap, and black boots with yellow socks. She also wears earrings and an olive headband.
Tsugumi views herself as the most normal girl in the band. However, she is a very hardworking and optimistic person who rarely gets discouraged. Her optimism really buoys the other members' spirits. She is the one who also pushes the band to do and try different challenges - for example, entering the Girls Jam in Afterglow's band story, and Tsugumi was even the one behind the girls' idea to start a band. She can get easily flustered however, and tends to panic or have trouble with dealing with people whom she hasn't met before.
A list of characters Tsugumi interacts with in the game.
- She is a member of the Student Council.
- Tsugumi's keyboard is a Clavia Nord Stage 2 EX Compact.
- She is afraid of thunder.
- Tsugumi's special talent is finding the first star of the evening, after the sun sets.
- Whenever she works hard, the other members of Afterglow tend to say she is being "Tsugurific" (Tsugutteru in Japanese)
- She loves dolphins, and especially loves watching dolphin shows at aquariums.
- The reason she loves dolphin shows is not only because the dolphins are cute, but also because she thinks it's lovely to see the dolphin and its trainer having a bond of trust.
- She is an only child and has stated that she is "kind of envious" of the idea of Tomoe and Ako performing together at home.
- She has a bad habit of staying up late reading music.
- In the Persona collaboration, her character design is based on NOIR and Milady.