Akihiko Fukaura

Nicknamed "Sadako" for her spooky appearance, high schooler Sawako begins to break out of her shell when she befriends popular boy Kazehaya.

Kimihiro Watanuki is a high school student plagued by ayakashi spirits, both of which are invisible to everyone else but him. The series begins when Watanuki stumbles, seemingly by chance, into a shop that grants wishes. The shop is owned by Yūko Ichihara, a mysterious witch of many names and esoteric renown. For a price, she offers to grant Watanuki's wish to be rid of the spirits. The price, according to Yūko, must be of equal value; so, as payment, he must become Yūko's temporary, part-time cook and housekeeper.

Yuri Maroev is a secret agent and assassin from the Ural Republic sent along with his brother on a mission to Japan. Once in Japan, he meets systems analyst Mashiro Rieru and uses her high-level security access to get top-secret information from the Ministry of Foreign Affairs. His pretense of romance turns into genuine feelings of love, as Rieru falls deeper into the intricacies of Yuri's fateful covert operations.