Ringo Kinoshita, Sōta Suzukaze's childhood friend, shares a close bond marked by her steady presence in his daily life. She routinely wakes Sōta each morning and walks with him to school. Her distinct understanding of Sōta's habit of talking to flowers makes her the sole person who truly comprehends this behavior. She shows deep concern for Sōta's welfare, particularly through her visible reluctance about potential separation when he considers traveling to Phandavale.

Ringo harbors romantic feelings for Sōta beyond friendship. These emotions surface as overt jealousy and frustration whenever Shirayukihime displays physical affection toward him, such as hugging or clinging. Such reactions emphasize Ringo's possessiveness and underlying romantic interest.

In practical matters, Ringo excels at cooking, especially dishes featuring meat and potatoes. This culinary skill contributes to her supportive role within their social circle.