Tanaka-chan is a second-year student at Sakuragabuchi Academy and a classmate of Nora Handa. She serves diligently on the school's student council. Her personality is shy and reserved, often presenting a timid demeanor in social interactions. Despite this reserve, she is reliable and trustworthy, especially when offering support to classmates or friends. She maintains a positive attitude and shows kindness toward her peers. Her consistent willingness to assist others, even while managing student council duties, reflects her caring disposition. As a supporting character, she appears in group settings alongside the main cast without driving primary plot developments.