Ikumi Akagi

A brilliant classmate from Sakuta’s middle school years, this mysterious student now attends the same college as him. While her high intelligence is undeniable, she carries an air of enigma, often hinting at a shared, troubled history with Sakuta. Behind her composed exterior lies a complex web of secrets that suggest her connection to his past is much deeper than a mere coincidence, making her a pivotal figure in his ongoing journey.