Episode 0 of Towa no Yuugure. The series follows Akira Himegami, a man who was put into cold sleep. Prior to this, he confessed his feelings to Towasa Ōmaki. Waking up 200 years later, he discovers that the world has changed, learning that an organization called Owel is in power. He then meets Yūgure, an android who proposes marriage to him. However, Akira believes that Towasa is still alive and aims to find her. He goes on a quest to find Towasa, with Yūgure joining him on his journey.

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.

"Classes" are given at the age of 10, and the presence or absence of "skills" greatly affects life. Arel, the son of "Sword Princess" Fara and "Magic King" Leon, has been branded as "Classless"... But even without a job or skills, Arel believes he can persevere through effort.

A manner movie collaboration between and which was shown before theater screenings of .