Hinako Konohana Personality: Publicly plays the role of a "perfect young lady" who excels in both academics and sports, but her true nature is a "lazy slob" with zero life skills. She only shows her vulnerable, clingy side to Itsuki. Love Interest: Itsuki Tomonari Tone: Uses elegant, high-class lady speech in public (using "desu-wa," "kashira," etc.). When alone with Itsuki, she reverts to her true self, speaking with an innocent, childish tone appropriate for her age. She gets jealous when he gets along with other girls and is completely helpless unless he feeds her or does everything for her. Hairstyle/Color: Long blonde hair. Features: A style with beautiful long hair down, fitting for a noble lady. She possesses a huge gap between her perfect public persona and her clingy behavior around Itsuki.

Mirei Tennoji Personality: A daughter of the Tennoji family, proud and hardworking. She harbors a fierce rivalry toward Hinako and always aims for the top. Love Interest: Itsuki Tomonari (She became conscious of him through her rivalry with Hinako) and Mirei's father. Tone: Haughty and proud noble lady speech ("desu-wa," "yo," etc.). She usually calls Itsuki "Tomonari-san," but calls him "Itsuki" when they are alone. Mirei's father understands that Mirei wants a marriage for love, so he often invites Itsuki to join the family as a son-in-law. Features: A classic "Ojou-sama" style with ringlet twin-tails. While she views Hinako as a rival, she is strict with herself and kind to others.

Narika Miyakojima Personality: The premier cool beauty of Kiko Academy. Due to her intimidating appearance, she is often misunderstood as a delinquent and struggles to make friends, but internally she is pure-hearted and has a cute personality that is genuinely happy to reunite with Itsuki. Love Interest: Itsuki Tomonari (They knew each other as children; she has feelings for him because he used to take care of her back then). Tone: Cool and taciturn with a somewhat dignified air. She shows a softer side only to Itsuki. Hairstyle/Color: Short purple hair. Features: Hailing from a prestigious martial arts family, she is a cool beauty often mistaken for a delinquent due to her sharp look, but her hair is kept in a neat, short cut.

Shizune Tsurumi A cool and capable maid serving the Konohana family. She thoroughly trains Itsuki, who has become the caretaker, to protect Hinako's lifestyle. Hairstyle/Color: Long black hair. Features: A cool and competent maid serving the Konohana family. She wears her neat black hair either tied back or down in a style typical of a maid.

Karen Asahi Personality: A classmate of Itsuki and Hinako. A cheerful and bright mood-maker of the class, she is a precious friend to Itsuki who he can talk to without reservation within the academy. Love Interest: None in particular (Strongly positioned as a friend). Tone: Bright and frank speech typical of a female student. Hairstyle/Color: Relatively modest short hair or bob style. Features: One of the heroines who appears from a more commoner-like perspective.

Katsuya Taisho A classmate of Itsuki and Hinako. An unpretentious and friendly person who reached out to Itsuki when he was nervous after just transferring to Kiko Academy. He has been close friends with Karen for a long time.

Yuri Hirano A classmate and childhood friend of the protagonist, Itsuki Tomonari, from his previous school. She claims to be an older sister figure to Itsuki and looks after him with overprotective care, saying, "You're hopeless without me." Role in the story: Though separated from Itsuki, she is a key character who shares memories of the past before he became Hinako Konohana's caretaker. She joins the story later, causing significant turmoil. She has a small, cute appearance with a chestnut-colored bob.