Series by 日渡早紀

Alice is a shy high school student who moves from a quiet hometown to a busy city. Her new life is made harder by Rin, a bratty young neighbor who keeps bothering her. She is forced to babysit him despite their tense relationship. An unexpected tragedy during that chore upends her daily life. Strange forces may be connected to what first looks like unhappy chance.

Ren is the son of Alice and Rin. His childhood is shaped by family ties connected to unusual memories from an earlier generation. The early chapters follow him as those connections begin to affect his daily life. Friends and adults around him carry their own links to the past. The focus stays on a younger generation facing inherited mysteries.