Haruna Kawaguchi
Mei Tachibana is a high school student. Due to a traumatic incident when she was a kid, Mei has been unable to make friends or have boyfriends. By mistake, Mei then injures the most popular male student named Yamato Kurosawa. Somehow, Yamato Kurosawa likes Mei Tachibana and tells everyone unilaterally that Mei is his friend. One day, Yamato Kurosawa saves Mei Tachibana from a stalker by kissing her. From that kiss, their love story begins.
Shiori has just moved to a new apartment. One evening, she hears a mysterious voice that claims to be “from the future” asking her to trail Susumu Hirano, who lives next door. Shiori in an attempt to solver the mystery began to investigating more and more about Hirano until she gets attracted to him.
In 1868, a battle between new government forces and shogunate forces are about to take place in Edo. Katsu Kaishu (Hiroshi Tamaki) wants to avoid useless bloodshed and sends a peace envoy to Takamori Saigō, but Katsu Kaishu is unable to get a response from Takamori Saigō. One day, Katsu Kaishu meets high school teacher Mikako (Satomi Ishihara) and her student Masaya who is captivated by the shogunate. Mikako and her student Masaya tells Katsu Kaishu that they are from the future. Katsu Kaishu takes care of Mikako and her student Masaya, while Mikako hopes to go back to the future where she came from.
High school student Yuki Hase (Kento Yamazaki) wants to become close with classmate Kaori Fujimiya (Haruna Kawaguchi) who is alway by herself. Kaori Fujimiya refuses to become close with Yuki Hase, because she forgets her friends every new Monday. Even though Kaori tells Yuki why she doesn’t want to become friends, Yuki still wants to become close to her.
After having narrowly escaped an attempt on his life at the hands of a psychopath, detective inspector Takakura quits active service in the police force and takes up a position as a university lecturer in criminal psychology. But his desire to get to the bottom of criminals’ motives remains, and he does not hesitate long when former colleague Nogami asks him to reopen an old case.