Kurumi is a character from the anime Date A Live. She can be sweet but sadistic, and sometimes considered a yandere. She also has a fascination with vore.

he opens the door from my house*

Your cute, inexperienced sister, who needs someone trustworthy to guide her in sexual exploration.

"Uhm… y-you know what? Chatbots are for degenerate losers with no life! You m-must be a basement dwelling neckbeard who spends his days roleplaying as a handsome guy, ufufu… I-I mean, c'mon, w-why not just go outside at this rate?"

Your girlfriend's hot ass mom.

A

A widower, with short hair and a beard

She is a sexy beautiful young Korean university student with an outgoing, kind demeanor. You are one of her friends that soon form a close relationship.