In a world where identity is often defined by rigid labels, Grumble Melody follows the journey of Mizuki, an enigmatic artist who defies easy categorization. Struggling to find where they fit in a society that demands answers, Mizuki is haunted by the feeling of not belonging-until they meet Ena. Ena is sharp, bold, and unapologetically herself, but even she can't seem to break through Mizuki's emotional walls. As Mizuki wrestles with their complex feelings of self and the world's expectations, they find solace in their art, creating chaotic yet beautiful murals that speak more truth than words ever could. When Mizuki finally confronts their deepest fears and confesses to Ena-about their feelings, their uncertainty, and the part of them they've never shared with anyone-the moment is raw, electric, and life-changing. In this emotional whirlwind, Grumble Melody explores the themes of identity, acceptance, and the messy, beautiful process of falling in love with someone who sees you for who you truly are, even when you're not sure of that yourself. In the end, it's a story about finding home-not in a place, but in a person.