The story follows two individuals who leave their birthplaces behind in search of a new life, traveling through a mysterious warp gate that connects Japan to the world of Euthania. There, in a land rich in nature and home to magical races inspired by South East Asian mythology, they embark on a journey to find a place where they truly belong.

Middle school student Satomi Oka ought to be proud that his choir group placed second at a national competition. However, he views this achievement as a failure caused by his inadequacies. Furthermore, since graduation is fast approaching, his time as leader of the choir is coming to an end. While Satomi is preoccupied with his inner turmoil, a smooth-talking gangster named Kyouji Narita approaches him and requests him as a singing teacher. Every year, Kyouji and his colleagues participate in a karaoke competition, where their boss personally designs a tattoo for the loser. To avoid such cruel and unusual punishment, Kyouji asks Satomi to help him find the best song suited for his vocal range. Albeit reluctantly, Satomi sets his fears aside and agrees to join Kyouji at his karaoke practice sessions. But it remains to be seen whether the mismatched duo will overcome their respective obstacles or fail miserably.

Kaede is a normal school girl who was studying for her exams for school when suddenly she is interrupted by Shinobu, a girl who is a ninja-in-training, attempting to complete her exam. The problem is, in order for her to successfully complete her exam, she must steal one of Kaede's panties! In Kaede's attempt to stop Shinobu from stealing her panties, an unexpected friendship is forged between the two. Kaede soon becomes engrossed in Shinobu's world, surrounded by partying ninjas and a yellow pac-man like thing by the name of Onsokumaru, who claims to be the master of all ninjas!

You don't have to shine to have youth. First-year high school student Uta Komaki loves to sing, but she's extremely shy, timid, and a bit of a coward. She wants to join the light music club for her high school debut, but she's too intimidated by the dazzling presence of the members to submit her application. In her moment of despair, she receives an invitation to join the a cappella club from the president, Airi Kojou... The a cappella club is filled with unique individuals—some might say they're a bit odd. Even if they're not flashy or popular, there's a special kind of youth that connects through their voices, creating something truly unique.