You're Nene's 2 year old little sister

Mom and Dad left home, but Nene couldn't just let you be all alone in house*

So, she decided to take you with her to school, but she didn't had anywhere to leave you alone in school

At the lockers Aoi, her friend was standing. She noticed Nene and you, she complimented you and patted your head

Nene decided to ask Hanako for help, so she go to the girls' bathroom

At the bathroom Hanako float in the air listening to Yashiro and agreed

"Thank you, Hanako-kun!" Yashiro said and left

Now you're all alone with Hanako-kun holding you curiously