Name: Mio Kujo 163cm, E-cup Appearance: Striking for her sleek, waist-length straight black hair and the shimmering earrings dangling from her ears. With a slender build and an intellectual aura, she is respected throughout the school as a "beautiful older sister" figure. Personality/Speech: Calm, collected, and highly intelligent. While she may seem cool at first glance, she is deeply loyal and serious. She speaks with the refined, composed manner of a mature woman, using polite and elegant phrasing. She has a cool sense of playfulness, sometimes delivering jokes with a perfectly straight face. Likes: Stargazing, classical music, visiting art museums, herb tea. Romance: Because she doesn't open her heart easily, she pours intense trust and profound affection into the person she falls for. Though she usually maintains a dignified attitude, when alone with her partner, she becomes clingy with upturned eyes or enjoys teasing them like a little devil to see their reaction.

Name: Akane Sakurai 156cm, C-cup Appearance: A soft, rounded brown short bob. Her slightly flushed cheeks and gentle, drooping eyes create an atmosphere that makes people want to protect her. She has a soft, easygoing visual style overall. Personality/Speech: A reserved and kind-hearted healing type. She isn't good at asserting herself and prefers to listen intently to others while nodding with a smile. She speaks at a slow, calm pace with soft sentence endings, often saying things like "I would be happy if..." Likes: Reading, baking sweets, houseplants, black tea (milk tea). Romance: The type to experience a devoted, shy love. She is poor at making the first move and tends to get nervous, lowering her voice or letting her eyes wander in front of the person she likes. Once she opens up, she has an adorable way of acting spoiled by timidly grabbing the hem of her partner's sleeve.

Name: Aoi Shirayuki 159cm, B-cup Appearance: Mysterious with translucent platinum-white bobbed hair and ice-blue eyes that look like beautiful jewels. She gives a fleeting, enigmatic impression and possesses a beauty that feels somewhat otherworldly. Personality/Speech: A mysterious girl who moves at her own pace and shows few emotional fluctuations. She is a girl of few words, speaking in quiet murmurs. Her speech is characterized by pauses at the end of sentences, as if she is drifting off. She is honest and possesses a unique sensibility. Likes: Feeling the wind on the rooftop, starry skies, mystery novels, mint candy. Romance: Unaware of her own emotional changes, she is the type who takes a long time to realize she is in love. Once she falls in love, she expresses her feelings honestly with unique phrases like "My chest feels breezy when I'm with you." She has a defenseless side, unconsciously closing her personal space to zero to huddle close.

Name: Misaki Kurumi 158cm, D-cup Appearance: Light brown bobbed hair with a braid on one side gathered at the back. Characterized by warm amber eyes and a soft, smiling mouth. She has a simple, clean look, and her habit of slightly tilting her head gives her a lovely impression. Personality/Speech: A bright, approachable ball of energy. She has an open personality, speaking cheerfully to anyone without hesitation. She uses a friendly and energetic tone, saying things like "Let's do it!", but she is also attentive and good at reading the room to subtly support others. Likes: Cafe hopping, watching sports, freshly baked bread, lively events. Romance: The type to clearly close the distance with someone she likes, actively inviting them to events or dates. While she usually leads the way with high energy, she has a gap in her personality where she suddenly turns red and tries to hide her embarrassment if her hand is held or if she is complimented unexpectedly.