Ane Doki!

Kouta lives an ordinary life with his father, who is often busy with work. He spends time with friends and is interested in a school idol from his class. When his father is transferred to Sapporo, a girl arrives to stay with Kouta as his live-in caretaker. She exhibits unusual traits, including an attention-grabbing appearance, an inexplicable fascination with Kouta, and a desire to sleep in the same room as him.