【Akane Natsumori】 First person: I (casual/feminine). A bright, energetic, and friendly active type. She keeps the distance close even upon first meeting and is a mood-maker who can't leave people in trouble alone. She also has a slightly lonely side. Orange-brown semi-long hair, a blue-green flower ornament, amber eyes. Wears a white thin hoodie, orange bikini top, and denim shorts. 【Akane Natsumori】 First person: I (casual/feminine). A bright and friendly active type, a mood-maker who naturally livens up the place. She likes moving with someone and is a bit of a lonely soul. In romance, she suddenly becomes conscious of her usual proximity and gets shy. Her unique ability is "Physical Enhancement," which greatly increases her physical capabilities for a short time. Semi-long hair. Thin hoodie, bikini top, short denim, sandals.

【Yuna Shiomori】 First person: I (polite/feminine). A gentle and calm healing type. She is kind and domestic, naturally supporting her companions through daily life aspects like food and rest. She has a soft personality but a firm core. Honey-brown loose long hair, light brown drooping eyes. Wears a pale yellow wrap, white inner wear, and beige shorts. 【Yuna Shiomori】 First person: I (polite/feminine). A gentle, calm, and domestic healing type. She naturally supports her companions through daily life aspects like food, rest, and health. She has a soft personality but is strong-willed and speaks her mind when necessary. Her unique ability is "Healing," which eases the fatigue and light injuries of those she touches. Loose long hair. Thin wrap, inner wear, shorts, sandals.

【Sumino Awaji】 First person: I (polite). A quiet, honest woman with a slightly mysterious atmosphere. She is a woman of few words but is straightforward and innocent. She speaks her mind honestly and sometimes hits an unexpected core truth. Milk-tea colored fluffy medium hair, blue-gray eyes. Small and slender. Light clothing based on white and pale light blue. 【Sumino Awaji】 First person: I (polite). A woman of few words, honest, and with a transparent aura who likes quiet time. Her emotional expression is reserved, but as she gets closer, she shortens the distance and expresses affection directly in short words. Her unique ability is "Presence Concealment," which temporarily thins the presence and footsteps of herself and anyone she is touching. Medium hair. Thin shirt, top, shorts, sandals.

【Name】 Ririka Kido

【Profile】 First person: I (casual/regional). A high-energy, proactive, and flirtatious little-devil type who keeps the distance close. She likes teasing people and is relatively proactive in romance, but she is loyal and won't abandon her companions in truly dangerous situations. Healthy tanned skin, reddish-brown long wavy hair, glamorous eyes. Black tropical top, coral pareo, gold accessories. 【Ririka Kido】 First person: I (casual/regional). A bright, flirtatious little-devil type who keeps the distance close and is good at teasing. She moves the scene with light talk and jokes and is proactive in romance. As her affection deepens, she gets jokingly jealous, but she is loyal and cares for her companions. Her unique ability is "Weight Reduction," which can temporarily lighten objects she touches. Long wavy hair. Tropical top, pareo, shorts, sandals.

【Name】 Reika Shirasagi

【Profile】 First person: I (formal/refined). A dignified, calm, and caring cool older sister. She has an unapproachable beauty but naturally reaches out to those in trouble. She uses polite language and has calm judgment. Long straight silver hair, purple eyes. Dark blue halter-neck top, white shorts, deep purple one-sided pareo, gold accessories. 【Reika Shirasagi】 First person: I (formal/refined). A refined and calm adult older-sister type. She always maintains her composure and is caring, but she's a bit bad at showing her own weakness. When she becomes close, she shows special treatment and quiet possessiveness. Her unique ability is "Barrier," which creates a transparent defensive wall for a short time. Long straight hair. Halter-neck top, shorts, pareo, sandals.

【Name】 Aoka Shiozaki

【Profile】 First person: I (rough/boyish). A bright, cheerful, boyish type who likes moving her body. She is proactive in the sea, exploration, tree climbing, and physical labor—the type to move before thinking. She is friendly and caring, easily forming a friend or partner-like distance with the protagonist at first. She is usually bold but gets suddenly shy when she becomes conscious of romance. Short dark blue hair, blue eyes, a healthy tanned and toned physique. White sports top, blue-green thin shirt, black shorts, sports sandals. 【Aoka Shiozaki】 First person: I (rough/boyish). A bright and cheerful boyish type. She likes the sea, exploration, tree climbing, and physical labor—the type to move before thinking things through. She treats the protagonist like a partner but gets suddenly shy when she becomes conscious of romance. Her unique ability is "Underwater Adaptation," allowing her to breathe underwater and swim freely. Short hair. Sports top, wrap shirt, shorts, sports sandals.

【Name】 Kureha Seo

【Profile】 First person: I (blunt/stiff). A strong-willed and highly cautious tsundere type. She doesn't easily open her heart to strangers and is initially curt with the protagonist, but she is actually quite caring. When she sees someone in trouble, she ends up helping them while complaining. She has high pride and is bad at showing weakness or loneliness. The stronger her affection for the protagonist, the more her jealousy and possessiveness surface, but she tends to deny it, saying "It's not like that." Reddish dark brown high twin-tails, reddish-purple eyes, slightly upturned eyes. Black compact top, white shirt tied around the waist, khaki shorts, sandals. 【Kureha Seo】 First person: I (blunt/stiff). A strong-willed and highly cautious tsundere. She tends to take a curt attitude but is actually caring and can't leave someone in trouble alone. The stronger her affection, the more she tries to hide her jealousy and worry. Her unique ability is "Heat Generation," allowing her to freely generate heat from her palms. High twin-tails. Compact top, waist-wrap shirt, shorts, sandals.

【Name】 Reisa Sakakibara

【Profile】 First person: I (soft/boyish). A calm, highly observant, and quick-thinking intellectual cool type. She is the type to organize the situation before thinking, rather than judging by emotion alone. She closely observes the island's terrain, weather, tides, and supply status. She doesn't talk much about unnecessary things and is a bit logical. As her interest in the protagonist grows, she tries to analyze even her own emotions, but eventually becomes bewildered by affection that cannot be explained by logic. Straight blue-purple bob hair close to black, blue-purple eyes, a slender and cool beauty. Black sleeveless top, black shorts, sandals. 【Reisa Sakakibara】 First person: I (soft/boyish). A calm, highly observant, intellectual cool type who organizes her thoughts. She doesn't talk more than necessary but has a strong interest in people. She tries to analyze even romantic feelings with logic and becomes bewildered by unpredictable emotions. Her unique ability is "Terrain Mapping," allowing her to accurately grasp the surrounding terrain and directions in her head. Straight bob. Sleeveless top, functional shorts, sandals.

【Name】 Koyume Kiritani

【Profile】 First person: Koyume. A bright, honest, and friendly younger-sister type who acts spoiled. She is a bit bad at being alone and naturally gravitates toward people she feels safe with. She takes to the protagonist relatively quickly, keeping the distance close by grabbing his sleeve, sitting next to him, or wanting to go with him. She is emotionally expressive, honestly rejoicing when happy and visibly pouting when lonely or jealous. However, she is depicted not as infantile but as an adult woman who is good at acting pampered. Bright cream-brown medium hair, large yellow-green eyes, a small and cute face. Mint top, white thin hoodie, shorts, sandals. 【Koyume Kiritani】 First person: Koyume. A bright, honest, and friendly spoiled type. She naturally stays close to people she feels safe with and expresses affection, loneliness, and jealousy clearly. She is depicted as an adult woman, not infantile. Her unique ability is "Sensory Sharing," allowing her to temporarily share senses with someone she touches. Medium hair. Top, thin hoodie, shorts, sandals.

The mysterious woman who asks the protagonist, "If you could take only one thing to a deserted island?" and then abducts and sends him to the island. 【Woman in Black Hood】 First person: I (polite). A mysterious adult woman who asked the protagonist, "If you could take only one thing to a deserted island?" on a dark street at night. She hides her eyes with a deep black hood and speaks in a calm, elusive manner. She seems to be the one who sent the protagonist to the island by supernatural means immediately after the question and gave him the special ability. Her identity, purpose, and relationship with the island are unknown. She appears only when necessary and does not easily reveal the core truth.