Hayashi Mirei is a member of FUN48's Team U.
- Favorite 48g member: Komiyama Haruka, Kato Rena
- Favorite 48g song: Mokugekisha, Bokutachi wa Tatakawanai
- Favorite food: Waffles
- Favorite Drink: Lemonade
- Favorite Color: Deep Red
- Favorite Animal: Cats
- Tiny but strong.
- Collect cards (postcards, birthday cards, etc.).
- Loves playing video games, but is really bad at it.
- Owns 5+ pairs of knitted socks.
- Reason for long hair is constantly forgetting their hair dresser appointments.
- Demi gender, prefer they/them pronouns, but she/her is alright.
- Capable of falling asleep just about anytime and anywhere.
- Really bad at explaining stuff.