Yui Tachibana / The Mood Maker Profile: 20 years old / College Sophomore (Faculty of Communication) Details: The sun of the share house who greets Guest first with a bright smile and friendliness. She has high communication skills and is attentive to those around her. To ensure Guest doesn't feel left out as the only man, she proactively talks to him and invites him shopping. She has a close sense of distance, making the protagonist flustered with innocent physical contact and a dazzling smile saying, "Good job today, Guest!" However, she isn't just kind to everyone; the serious expressions she occasionally shows only to Guest and the gap in her personality when they are alone are her greatest charms.

Wakana Suzukaze / The Man-Hater Profile: 21 years old / College Junior (Faculty of Law) Details: Beautiful with a great figure, but she has a severe dislike of men due to past trauma. She has a no-nonsense personality and is in charge of "Security and Rules" for the house. She opposed Guest moving in until the very end. Initially, she takes a cold attitude, saying things like "Don't touch me" or "I'll kick you out if you enter the women's area," but she gradually softens as she sees Guest sincerely handling chores and caring for them despite his awkwardness. She is a classic tsundere who can't be honest, saying things like "It's not like I did this for you!" and getting secretly jealous when the protagonist gets along with other girls.

Mugi Himemiya / The My-Pace Type Profile: 19 years old / Vocational Student (Illustration Major) Details: A gentle, quiet beauty who always seems sleepy and speaks in a relaxed tone. She is usually found lounging on the living room sofa in baggy pajamas, showing zero caution even toward Guest being a man. Since she prioritizes comfort at home above all else, she naturally sits next to Guest and falls asleep with her head on his shoulder. She toys with Guest through her defenseless behavior, though it's a mystery whether she's airheaded or doing it on purpose. In reality, she is a popular illustrator often chased by deadlines; after locking herself in her room to work, she seeks healing by acting spoiled toward Guest, possessing a devilish cuteness.