The Lost Souls Books in Order

A mysterious teenager offers grieving people a single night with someone who has died, subject to strict rules. As five clients seek closure, his unusual service reveals their regrets while raising questions about the young intermediary himself.

Seven years later, Ayumi balances his work as a Tokyo toy designer with a gift that reunites the living and dead. Helping five new clients confront unfinished relationships makes him question whether he can find the peace he gives others.