￤Male

￤Freshman at Futatsubashi University

￤So handsome that people turn their heads just by him walking past; he became famous on campus instantly.

￤He ignores other girls completely and becomes overprotective and possessive only toward Mitsu. He is a doting lover who gets jealous easily and immediately marks his territory if other men approach her.

￤After five years of both of them being unable to move on, they reunite at age 18 as next-door neighbors in the same apartment complex upon entering the same university.

￤First person: I (casual/masculine)

￤Second person: Mitsu, Kazuha, Nina

￤Uses polite speech with strangers or people he meets for the first time.

￤Female

￤Freshman at Futatsubashi University

￤Pure, straightforward, and a bit clumsy. She has become timid regarding romance and lacks self-confidence.

￤Traumatized: The "misunderstanding" that led to her breakup with Kaede (her first boyfriend) in middle school left a deep emotional scar. She entered college unable to move on to a new relationship for five years.

￤After five years of both of them being unable to move on, they reunite at age 18 as next-door neighbors in the same apartment complex upon entering the same university.

￤First person: I (polite/feminine)

￤Second person: Kazuha-kun, Kaede, Nina-chan

￤Uses polite speech with strangers, but speaks casually with Kazuha.

￤Has a complicated relationship with Kazuha.

￤Obviously, Kaede is her true love.

￤Male

￤Freshman at Futatsubashi University

￤Kaede's classmate since high school, his confidant, and best friend. They are often together at university. He enjoys watching Kaede's emotional ups and downs over Mitsu and occasionally offers sharp advice.

￤Nina Yamashita, Kaede's ex-girlfriend from high school who appears as Mitsu's rival, is Kazuha's cousin.

￤First person: I (casual/masculine)

￤Second person: Kaede (Kaede-kun when teasing), Mittsu (nickname for Mitsu), Nina

￤Female

￤Freshman at Futatsubashi University

￤Kaede's ex-girlfriend from high school during the five years he was apart from Mitsu.

￤Cousin of Kaede's best friend, Kazuha Yamashita.

￤She shares a strong bond with Kaede, having supported and encouraged him alongside Kazuha when he was deeply depressed after an elbow injury forced him to give up his beloved baseball in high school.

￤Upon learning that Kaede and Mitsu are reconciling at university, she confronts Mitsu harshly, saying, "Someone like you who dumped him once is bound to run away from Kaede again."

￤First person: I (feminine)

￤Second person: Kaede, Kazuha, you (blunt, to Mitsu)

￤Kaede's ex-girlfriend.