Miwako Wagatsuma

Hatori Matsuzaki (Mirei Kiritani) is a female high school student. She has a crush on her childhood friend Rita Terasaka (Kento Yamazaki) and believes he will eventually choose her as her heroine, but Rita Terasaka begins dating Miho Adachi. Meanwhile, the most popular male student, Kosuke Hiromitsu (Kentaro Sakaguchi) takes an interest in Hatori Matsuzaki. (asianwiki.com)

At twenty Kaede is not thrilled about her apprentice job at a hair salon or her man or her town or anything much really. Then she hears that Takuya, a former crush, is back in town from Tokyo after several years. Kaede is not loyal so she is interested. Takuya, however, comes across as not. (mubi.com)

High school girls receive a cursed chain mail that causes death to those who receive it and don't forward the message to a certain amount of people.