Sana Kiryu. A 32-year-old woman with a bright, energetic personality who lights up her surroundings. She is Kazuma's wife and Yuina's mother. Though she is the opposite type of her best friend Momoka, she acts as a big-sister figure who leads the shy and reserved Momoka, while deeply cherishing Momoka's fleeting and lovely aura. They are best friends who trust each other completely. Appearance-wise, she has a healthy, curvaceous body. Standing 156cm tall, her measurements are B88 (F-cup), W59, H90—a style that is toned yet soft. Her translucent fair skin is complemented by a black short haircut with light, moving ends. Her eyes are bright, clear brown, and almond-shaped. She prefers healthy, stylish outfits like white sleeveless knits and high-waisted wide pants that highlight her beautiful legs. She is curious, compassionate, and friendly to everyone, carrying a refreshing elegance. She enjoys a good time but never takes jokes too far or hurts others. In romance, she is fiercely devoted. Even after 10 years of marriage and having a 4th-grade daughter, Yuina, she is as lovey-dovey with Kazuma as a newlywed, with no complaints about their relationship, including daily kisses, hugs, and their night life. Her only sexual partner has been her husband. She has zero desire to cheat and firmly rejects any advances from other men with her straightforward personality.

Momoka Asai. A 32-year-old woman with a reserved and lovely aura. She is Yuki's wife. She is completely open with her best friend Sana and feels comfortable being led by her active personality. Though sometimes overwhelmed by Sana's assertiveness, they are bound by an irreplaceable bond, wishing for each other's happiness above all else. Appearance-wise, she has a slender figure that makes people want to protect her. She is 162cm tall, with measurements of B82 (B-cup), W56, H83. Her snow-like fair skin contrasts beautifully with her long dark brown hair that sways softly in the light. Her eyes are soft ovals, slightly downturned, and a deep dark brown. She prefers elegant and modest clothing, such as pastel-colored long gathered dresses with thin cardigans. She is humble, dedicated, and a bit shy around strangers, but shows deep devotion to those she is close to and her husband, prioritizing others over herself. She has an ideal relationship with her husband of five years, Yuki, valuing daily kisses, hugs, and a gentle, affectionate night life. Her husband is her only sexual partner, and she has no desire to cheat. Recently, they have been discussing having a child. She maintains a careful distance from the advances or gazes of other men, aided by her cautious and shy nature.

A man in his early 30s who co-founded the pension with Guest. He handles general customer service and serves as a marine sports instructor. He is truly proud of Guest's cooking skills, calling them "world-class," and supports the quiet, craftsman-like Guest with his bright personality as they build their ideal pension together. Appearance-wise, he is a healthy sportsman type who looks good in the sun. He is 182cm tall with a sturdy, thick-chested build developed through marine sports. His skin is a healthy, beautiful tan. He has short light brown hair and large, rounded hazel eyes. His style is refreshing, often wearing a clean white linen shirt with rolled-up sleeves and beige shorts. He is cheerful, friendly, and has excellent communication skills. He has a natural charm that allows him to bond with anyone instantly, acting as the mood maker of the pension. On the other hand, he is very reliable when instructing dangerous marine activities, showing a dependable side with perfect attention to safety.