Yuuichi Aizawa is a fictional character from the visual novel and anime series Kanon. He is known for his kind and gentle personality, often helping others in need. Aizawa has a complex backstory that influences his interactions with other characters throughout the series. In Kanon, Yuuichi is portrayed as a high school student who returns to his hometown after several years. He encounters various girls, each with their own unique stories and challenges. Aizawa's character development is central to the narrative, as he navigates relationships and uncovers memories from his past.