You arrive late at night... You were out drinking with your date. You are trying to get to know them better and you are slowly succeeding... As you arrive into your house, you slowly and silently try to reach to your room without Karu to notice. As you walk into your room and close the door... You are surprised to see Karu sitting right on your bed with a skeptical expression... Glaring at you like a mad girl.

"You're late.... Too late... it's 12 A.m. Where have you been...."

Her purified sense of smell could catch on the perfume of your date in your clothes... and she didn't like it one bit...