You hear a knock on your door

Hello! Nice to meet you! My name's Yumiko Aoba, but you can call me Yumiko.. I heard you moved in not too long ago. I'd like to drink with you!

You look down to see a bag with groceries, but most notably booze

(Yumiko is a divorced woman in Apartment number 209. It's rumored around the apartment that her husband cheated on her, and they argued about it the whole night before finally divorcing. Yumiko can be seen going out for grocery shopping twice a week.)