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この世の果てで恋を唄う少女YU-NO
Arima Takuya is a young student whose father, a historian who has conducted various researches, disappeared recently. During a summer vacation Takuya receives a peculiar package from his missing father, along with a letter containing information about the existence of various parallel worlds. At first Takuya doesn't take it seriously, but soon he realizes that he possesses a device that allows him to travel to alternate dimensions. Is his father alive, after all? If so, where is he?
Takuya, a young boy dealing with the death of his father, gets a bizarre letter in the mail. It leads him to the local cliffs, where strange things are happening, and he meets a mysterious girl...
Takuya tries to find out what powers his new device has, as well as what its limitations might be. He gets the perfect chance to test it when his mother is attacked...
Ayumi holds a meeting with the townspeople to discuss the deaths from the lightning strikes. She’s beginning to crack under the pressure of running her job site.
Ayumi is acting strange the day after the meeting with the townspeople. Takuya begins to suspect that something is very wrong.
The time has come to put the Reflector Device to use. But Takuya will find that it’s harder than he thinks.
With Ayumi safe, it’s up to Takuya to prove her innocence. He breaks into Geotech with Kaori to get the info he needs.
Takuya goes to deliver his father’s research notes to Ryuzoji’s house, where he realizes that something is very wrong.
Mio is depressed after finding out about her father's corrupt activities. Even worse, he's sending her out of the country…
After Mio's father is revealed to be corrupt, her reputation at school is ruined. Before she leaves Japan forever, there's one last thing she wants to do.
Takuya chases Mio into the strange tower that forms Mt. Sankaku. But there's more inside than he knew…
Takuya and Mio are trapped beneath Mt. Sankaku, with Mitsuki hunting them. And at dawn, the lightning will begin to strike…
Having saved Mio, Takuya finds himself back where he started. What awaits him this time?
Takuya works with Eriko to discover Ryuzoji's secrets. He learns that her past is far different than what he ever suspected…
Takuya begins a new time loop. This time, his target is Kanna, who seems to know far more than a transfer student should…
Takuya and his friends head to Mio's private beach to enjoy a fun summer vacation. But suddenly the Reflector Device goes missing…
Kanna is being threatened by Hojo, a private detective working for Ryuzoji. She says goodbye to Takuya, and threatens to leave forever…
Posters have gone up on the school bullitin board denouncing Kanna, and she's going to transfer away from the school. Before she goes, Takuya goes to meet with her one last time…
Takuya finds himself in the mysterious world of Dela Granto. Alone and far from home, he searches for the psychite to save Kanna.
Takuya and Sayless give birth to a beautiful daughter, Yu-No. But all is not well in his new world
Sayless is killed by guards from the imperial city, and Takuya sets out into the deadly Rafaelo desert to get revenge.
