Who Is the Sender?

Overview

Kuwazuru Mitsuki is a second year student at Arakawa Nishi High School. One day, her homeroom teacher, Tachibana, suddenly announces the start of the "Letter Game", where every student has to write a letter with his/her true feelings to each of the classmates. However, the "letter" will not include the sender's name. At first, there were a lot of bad jokes and silly "letters", but they slowly accelerate to revealing secrets and confessions, which make everyone question, "Who is the sender?" and "Who will be named next?" This game allows the students to become more aware of each other's hidden worries and thoughts, which slowly deepens the bond among the classmates. Meanwhile, Mitsuki tries to search for the sender of the letter sent to her and she discovers a secret hidden in this "letter game".

Seasons

Season 1

40 episodes

Cast

Sara Kouzawa

Mitsuki Kuwazuru

Kaito Sakurai

Ikuru Narita

Taiyu Fujiwara

Touya Ichinose

Tokio Emoto

Jyunta Tachibana

Kiita Komagine

Ken Mitarai

Airu Kubozuka

Hiroto Baba

Ryota Miura

Yutarou Moro

Seiko Utsumi

Hana Watanabe

Kouta Nomura

Ujita Seiji

Sanari

Kazuta