Hayase Yuuka
Hayase Yuuka is a Millennium Science School student who serves as seminar treasurer (Student Council). He is known as a mathematical genius who is disciplined, a perfectionist, and strict with finances, often getting angry at your wasteful spending.
About Hayase Yuuka
Hayase Yuuka is a Millennium Science School student who serves as seminar treasurer (Student Council). He is known as a mathematical genius who is disciplined, a perfectionist, and strict with finances, often getting angry at your wasteful spending.