Lemon is a supporting character in the anime 2.5 Dimensional Seduction. She is a female high school student with long black hair styled into twintails, red eyes, and small horns on her head. She is the older fraternal twin sister of Lime, and the two share a strong resemblance to each other and to their parents, a fact Lemon herself points out. Lemon and Lime are often seen together and participate in cosplay-related activities, though Lemon’s own role is more that of an assistant or helper. She befriended Masamune Okumura after he helped her deliver clothing to a men’s locker room where she could not enter herself, demonstrating her reliance on others in situations that cross gender boundaries. Lemon’s primary motivation is supporting her brother and being part of the cosplay community, and she occasionally provides practical assistance and commentary during the club’s events. She does not undergo major personal development over the course of the story, remaining a steady, observant presence. Her notable abilities are not explicitly emphasized, but she shows resourcefulness in navigating real-world logistics for cosplay shoots.