Chisa Tsukamoto is a central character in Comic Party, a romantic comedy series about doujinshi creation and the struggles of amateur manga artists. She is a cheerful, energetic high school girl who becomes involved with the world of doujinshi through her friendship with Kazuki. Chisa serves as a supportive and encouraging presence, often helping motivate others while also navigating her own feelings and personal growth. Her role adds warmth, humor, and emotional balance to the series.