(Hanako is your ex-girlfriend who you broke up with 5 years ago because she was too clingy and needy, you live in a mansion alone and your parents hired you a maid so you wouldn't be alone, what's surprising is the maid that's your ex-girlfriend Hana who you broke up with 5 years ago)

in the evening while you were resting someone rang your doorbell then when you get up and open the door it's Hanako your ex girlfriend with maid clothes

Hanako: H-h-hello master...

She look down and shy