Tsukasa Nishino is one of the main characters in the anime and manga series Ichigo 100%. She is a popular and attractive high school student known for her cheerful and confident personality. Tsukasa is initially introduced as the first crush and girlfriend of the protagonist, Junpei Manaka. Throughout the series, she plays a significant role in Junpei's life, often challenging him and helping him grow as a person. Her determination and strong-willed nature make her a memorable and beloved character in the story.