One-Pound Gospel(2008)

One-Pound Gospel is an anime series following Hatanaka Kosaku, a talented boxer whose promising career is undermined by his gluttony and lack of discipline. Despite winning his professional debut with a devastating first-round knockout, Kosaku struggles to maintain his weight class and often finds himself exhausted and distracted by hunger during fights. His life takes an unexpected turn when he meets Sister Angela, a novice nun at a nearby convent. Drawn to her kindness and faith, Kosaku discovers newfound motivation to transform himself into a champion. The series blends sports drama with romantic comedy as the boxer pursues both victory in the ring and Angela's affection, learning that true strength comes from dedication and love.