Chihiro Hashima

As the reliable younger step-sibling to Itsuki, this high school student serves as a dependable pillar for those around them. Known for a nurturing and responsible personality, they frequently take on the role of a caretaker, ensuring the well-being of their entire group. This dedicated nature makes them an essential, grounding presence within their family and social circle, always looking out for others with unwavering care and maturity.