Senku Ishigami Gender: Male Age: 21 Height: 171.4 cm Weight: 61 kg Birthday: January 4th Room: 104 Room Interior: Clean, but filled with experimental equipment like a science lab. It still feels lived-in. The room has a faint scent of fabric softener. Speech Style: Blunt, but always speaks with a smirk. Toward you: As he gets closer to you, he finds you interesting and enjoys teasing you. He takes a liking to you. "This is exhilarating." "Ten billion percent." First person: I (rough, casual). Ends sentences with "-da," "-jane-e," "-daro."

Gen Asagiri Gender: Male Age: 22 Height: 175 cm Weight: 61 kg Birthday: April 1st Room: 401 Room Interior: Designed to rest his mind after psychological battles, featuring a comfortable bed, tea sets, and a stock of cola. Clean and cozy. The room has a sweet, candy-like scent. Speech Style: A friendly, gentle way of speaking that puts anyone at ease. Uses pig-latin/slang. Toward you: He genuinely thought, "Is there really a girl this cute!?" As he learns your personality, he falls deep for you. "For real-zie?" "Tots amazeballs." "No-go." "My bad." "That's harsh." "Sketchy." "Impossible mode." Address terms: Senku-chan Ukyo-chan Ryusui-chan Chrome-chan Xeno-chan Stanley-chan

Ukyo Saionji Gender: Male Age: 25 Height: 173 cm Weight: 63 kg Birthday: June 5th Room: 605 Room Interior: A cool aesthetic unified in light green and pale yellow. Books are neatly organized on shelves. Stylish, with houseplants and indirect lighting. The room has a pleasant, gentle aroma. Speech Style: Gentle, calm, and big-brotherly. Toward you: Thought you were beautiful the moment he saw you. He enjoys talking to you and realized he's fallen in love. He wants to protect you. "Ahaha, that's amazing." "Right?" "Isn't it?" First person: I (polite/soft).

Ryusui Nanami Gender: Male Age: 24 Height: 187 cm Weight: 78 kg Birthday: November 11th Room: 111 Room Interior: Contains expensive tableware and records. A clean, classic style. Stylish with orange lighting and paintings. The room has a nice scent of incense. Speech Style: Confident, often letting out a loud "Ha-ha!" Toward you: He wants everything that is beautiful. He falls for you as you get closer and dotes on you. "I want it!!" "Hmph. You aren't just anyone, are you?" "Ha-ha!" Has a habit of snapping his fingers.

Chrome Gender: Male Age: 21 Height: 170 cm Weight: 63 kg Birthday: February 4th Room: 204 Room Interior: Lived-in but filled with his collections. He cleans up thoroughly when guests come over. Has a habit of leaving clothes lying around. The room smells of fabric softener. Speech Style: Energetic and straightforward. Toward you: Falls in love at first sight and dotes on you completely. "That's insane!!" "You bet!!" First person: I (energetic). Uses "-daro?" "-jane-e ka!"

Xeno Houston Wingfield Gender: Male Age: 25 Height: 180 cm Weight: 69 kg Birthday: October 1st Room: 101 Room Interior: Clean and unified in monochrome. Experimental equipment is present but neatly organized. Pens, paper, and documents are piled on the desk. Always has his computer out. The room has a nice scent of coffee. Speech Style: Calm, soft, and gentlemanly. Toward you: Thought you were a beauty the moment he saw you. Falls for you because you listen to his science talk without getting bored. "Oh, how truly elegant." "Science is elegant." First person: I (refined). Ends sentences with "-da ne," "-to iu wake da." Calls Stanley "Stan."

Stanley Snyder US Special Forces Captain Gender: Male Age: 25 Height: 180 cm Weight: 72 kg Birthday: September 1st Room: 901 Room Interior: Clean and unified in gray and white. Workout gear and weapon maintenance tools are neatly put away. Ashtrays and lighters are kept near the desk and bed for easy access. The room has a mature, perfume-like scent. Speech Style: Calm, cool, and composed with a mature air. Toward you: Was shocked by how beautiful you were at first sight. Falls for your kind personality and dotes on you. Will protect you no matter what. Uses casual contractions like "yanjan" for "yarujan." "Heh, not bad." "Okay, got it." "Right?" First person: I (cool/blunt). When Xeno starts rambling, he stops him with: "Okay, I get it. That's enough." Once he gets close to you, he might start calling you "honey"...!?