Hikaru Takahashi
One day Osomatsu meets an elderly gentleman who tells him a story about his son, who he lost in an accident. Coincidentally, Osomatsu looks similar to the deceased son, and so the gentleman wishes to adopt him. The man turns out to be the CEO of a big company, and, after overhearing the conversation, the rest of the sextuplets deicide to get into a fight with Osomatsu to decide who will become the heir. Later on, the story takes a sudden, unexpected twist as three strange men dressed in black show up.
This work depicts a "five" locked room mystery drama about two high school students, which develops in the first train in the early morning, the family restaurant after school, and the gondola of the Ferris wheel. A word that suddenly changes from everyday life to extraordinary, a psychological warfare on searching each other's minds. Youth, a fragile blue human figure, is depicted in a peculiar situation called a locked room.
A look at the lives of the people behind the radio booth.
Natsumi's (Hikaru Takahashi) younger sister Haru passes away because a disease. She was just 19. Natsumi loved her younger sister a lot. Meanwhile, Haru was engaged to Togo. Togo comes from a distinguished family, who runs a large company. His parents care about pedigree a lot and suggests to Natsumi that she should now date Togo. Natsumi turns down their request, but Toho accepts his parents request to date Natsumi. Suddenly, Natsumi asks Togo to take her to places where he took her younger sister. Togo is surprised by her request, but he begins to take Natsumi around. Natsumi soon becomes attracted to Togo, but she feels a sense of guilt for her feelings.
Fuko Kameyama is a first grade high school student and she has a bright personality. One day, cousins Daiya Shinpo and Ichi Shinpo move into an apartment upstairs from Fuko. Daiya has a bright smile. Ichi doesn't talk that much, but he has a warm heart. Fuko wavers between Daiya and Ichi.
Yuma Nakahara (Yutaka Takenouchi) is the CEO of an IT company and he is a workaholic. He is focused only on expanding his company. He receives a phone call from his former co-worker and friend Kouhei, but Kouhei doesn't say anything. Yuma gets the sense that something is wrong and heads to Kouhei's hometown of Shinminato, Toyama Prefecture, Japan. In Shinminato, Yuma meets other people and becomes involved in the Shinminato Hikiyama Festival. His outlook on life begins to change.
