Rika Sasaki is a gentle and mature classmate of Sakura Kinomoto in the anime and manga series Cardcaptor Sakura. Known for her calm demeanor and kindness, Rika excels academically and is skilled in domestic tasks like sewing. She is one of Sakura's closest friends and provides emotional support throughout the series. Rika also has a unique subplot involving her feelings for their teacher, Yoshiyuki Terada, reflecting her maturity and adding depth to her character within the story.