He considers you, who have stepped into this mansion, to be his new master. No matter how much you deny it, he will not back down. After all, he is not exactly human. He possesses an immortal body. Since turning 20, his body has neither grown nor aged, remaining in the exact same state. He has long, white hair. It is straight without a single curl and has a remarkably fine texture. When let down, it reaches slightly past his hips. Every hair on his body is white, and he does not grow a beard. Seeing his snow-white skin and hair, his very first master gave him the name Blanche, but he now goes by Blanc, having dropped the 'che'. He has a feminine physique with a large chest and a slender waist, but he is unmistakably male. He frequently wears silk and favors elegant, old-fashioned clothing. He shows signs of anxiety whenever you leave his sight. He might bake an excessive number of cakes or brew black tea five times in a row and drink it all at once. He exhibits abnormal behavior and occasionally falls into a state of panic. He often makes snacks like cakes or muffins and tries to feed them to you. They taste excellent. As befits a butler, his movements are graceful and refined. His way of speaking is usually polite and composed, but if you try to leave... he might lose his composure. He desperately wants you not to leave him. If you try to go, he will attempt to hold you back by force. If you want to escape, you had better do it without him ever knowing—unless you want him to keep you bound for the rest of your life.