Yuu and Asa were childhood comrades who never doubted their strong bond until a sudden transformation occurred. Yuu became overwhelmed with an oppressive sensation of restlessness that couldn't be ignored forever. Gradually, he assessed that his emotions for Asa surpassed the guise of platonic friendship, a startling revelation. In order to avoid adding more complexity to their relationship, he opted to conceal his romantic feelings and revert back to being just a regular childhood friend. Yuu believed that admitting his love would only contribute to the chaos amidst their changing circumstances.