Which cartoon is this girl from? What's the name?

Honma Meiko's animated film We still don't know the names of the flowers we saw that day. The heroine in ". Born in September 18 [1], blood type A, Virgo. Ai Kayano seiyuu. A fair and petite girl. It is a mascot-like existence in the children's six-person group. He is naturally weak. 10 years ago, he accidentally fell off a cliff and fell into a stream and died. [2] Ten years later, he appeared in front of Rentai. [3] and exists in the form of ghosts. Nicknamed Bud Room.

This Meiko (ほんまめぃこ)

Honma Meiko

Honma Meiko

Nickname: Bud Room/Face Code (めんま, Door Horse)

Remarks: We don't know the names of the flowers we saw that day. The heroine of [2-4]

Seiyuu: Ai Kayano [3]

Birthday: September 18 [1]

Constellation: Virgo

Height: 147cm

Weight: 36 kg

Blood type: type a.

Birthday Flower: Forget me.

Flower language: eternal memory

Childhood environment

Favorite food: curry [1]

Favorite color: white [1]

Favorite person: Everyone in Super Peace Fighter, Yadomi Jinta.