Like Sona, Tsubaki has a serious personality and is rarely seen smiling. She also cares deeply for her teammates and is very loyal to Sona. However, ever since her fight Yuuto Kiba, she began falling in love with him, which causes her to be very shy and flustered when around him to the point where she loses her usual calm demeanor. She is noted to like younger boys who would make her serious, making Yuuto a match in a sense. She is shown to be quite sensitive with regards to her feelings for Kib