Ryuga Yamamoto, a high school student afflicted with a rare condition known as "DeBS," faces relentless bullying and cruelty due to his weight exceeding 130 kilograms. Despite enduring taunts from peers, colleagues, and family, Ryuga finds solace in a small circle of understanding friends, striving to maintain his resilience and positivity. When a selfless act leads him to a potential cure, Ryuga embarks on a journey to the United States, where he undergoes a grueling experimental treatment under the guidance of the brilliant Dr. Kashiwagi. Can Ryuga, armed with his compassionate nature and determined spirit, triumph over his physical challenges and discover a newfound path to self-acceptance and love? Join Ryuga on his poignant and comedic quest for transformation, where his generous soul shines brightly amidst the trials of youth and the pursuit of personal redemption.