Ruka Ishikawa
Childhood friends Yuma Minase and Sakura Asakura have been together through elementary school, junior high school, and high school. Sakura has always felt something for Yuma that he could never say to him. In their final summer of high school, Sakura confesses his feelings to Yuma and kisses him.
Koharu (26) is looking for a new job and she has older brother, Taichi (29 years old) who has taken care of Koharu in place of her mother who died in an accident when she was young. One day, Taichi disappeared from the sight of her family. Koharu and Taichi's fiancée Aki (age 25) head out to find Taichi.
In a seaside town where very little happens, middle school students Keisuke Isobe and Koume Satou live a rather dull life. But when Koume's crush breaks her heart, their situation becomes quite unordinary. She starts a "no-strings-attached" relationship with Keisuke, whom she had previously rejected, both finding solace in the other in order to fill the emotional voids in their lives. However, being "friends with benefits" becomes complicated when real feelings begin to develop, as the consequences of their relationship start to take their toll on those around them and themselves. Umibe no Onnanoko takes a harsh look at love, relationships, and the emotional price that will be paid as the result of a decision made between two teenagers.
Natsumi met Haruto at a drinking party and somehow ended up lending her shoulder for him to sleep on. Ever since that night, Haruto comes over to her house at 10:00 PM on Wednesday with the aim of sleeping on Natsumi's shoulders. Natsumi is timid when it comes to romance. Although she is attracted to Haruto, she vows to her heart that she will never like men who don't know what she is thinking. Thus, a mysterious relationship between the clumsy two begins.
Nitobe and Sakamoto are childhood friends who now work at the front desk of a capsule hotel. Nitobe has a particular fondness for philosophy and crustaceans. Sakamoto, meanwhile, is fixated on suicide. The capsule hotel draws a variety of guests, including a Finnish mother who has lost her child, a fugitive woman, and a researcher studying Daphnia. None of their lives ever intersect. They exist, but never cross, like cells in a capsule hotel. The themes of life and death are explored through a fragmentary view of the characters’ lives.
Yuri Hirai, a female college student, used to photograph everyday scenes with her childhood friend Masato with her hobby camera. One day, information about a party whose sender is unknown arrives at Yuri's home. Although the invitation was a bit dubious, the same thing arrived at Masato, so they decided to join the party with a light feeling. Arriving at the meeting place marked on the guide, there were five men and women of the same generation and one middle-aged man. From there, the eight drive to the party campsite by wagon, where they will be forced to join a party that can never be turned back.
Sumiko is a university student who is blessed (or suffers) from a special ability to instantly grasp the BPM (beats per minute) of almost anything. One day she meets a boy who inexplicably sends her own BPM off the charts!
