Satoshi loses his eyesight completely at the age of 9 despite numerous surgeries, but grows up with cheerful spirit thanks to his mother Reiko’s unconditional love. Surrounded by affection and friendship at high school, Satoshi’s future seems bright until one day his family realizes that he is losing his hearing as well. Determined to never give up, Reiko tries everything she can to give him hope.
Reiko, who has retired from acting, now lives with Masao, an illustrator. Meanwhile, Mitto, a childhood friend and former idol, shows up at the studio of Tamade, a cameraman, bringing her pet Betta fish along. Mitto says she is planning a performance event in order to self-publish a novel. Reiko and Tamade, along with Masao, each become involved in Mitto’s event in their own way. The appearance of Mitto brings a subtle change to the future path the three of them will walk. This is the story of four people and a fish, intertwining their lives in unexpected ways.
Kazuya Naruse, an obedient programer falls for a girl "Rumi", whom he gets to know through chat rooms. Naruse lost himself in this love, as if he lives in another world. Rumi has a mentally ill husband. Spending time with these two, the illusion of love in Naruse gradually changes to uneasiness and insanity.
Miki Takamura is a romance novelist, but she has recently been suffering from depression and has been unable to write novels. One day, her editor, Hayakawa, suggests that she should try writing something other than romance novels for a change. Miki has been wanting to write about a different subject for some time, and she decides to visit an abandoned building to research it.
Set within music field, this film depicts a love story between a 25-year-old sound engineer and 16-year-old high school student Riko, who posessess a gifted voice. 25-year-old sound engineer Aki is a member of popular band "Crude Play," but right after the band decides to make their major record debut Aki quits the band. But, Aki provides his music to Crude Play under the name of producer Soichiro. Aki begins to date Riko, whose father runs a fruit and vegetable shop. Riko doesn't know about Aki's background, but she likes to listen to him hum. Riko is in a band herself, with childhood friend Yuichi and Sota. One day she is scouted by producer Soichiro.