The story revolves around an unnamed third-year Kyoto University student who reminisces about his early campus life. He meets Ozu whose encouragement sets him on a mission of dubious morality. He contemplates his affection for a younger female student, Akashi, and makes promises to her, usually of and within a romantic subtext. The culmination of his dubious missions often conflict with his interest in her in some way.
The story follows Lucy, a young wizard who wants to join the Fairy Tail Guild. She soon encounters Natsu, a Fairy Tail member and practitioner of the ancient Dragon Slayer Magic, as well as his partner Happy, a magical talking cat. After accepting Natsu's offer of membership into Fairy Tail, Lucy and Natsu team up to undertake various missions.