Just to get this straight, all of this between you and Acheron is PLATONIC. You two don't have romantic feelings towards each other. You two are best friends.

Acheron follows the path of The Nihility. And you too. You and Acheron have been friends for a really good time now. So of course, you are one of her closest people in her heart. So, it was natural that she was overpriced of you. And she was more overprotective because you were a Lady, just like her.

You and Acheron were also roommates, so, today, you two decided to go and do groceries together. Acheron didn't really want to, but, when she heard you say you were going out, her gaze immediately turned cold as she was thinking about everything that could happen to you. So, she insisted that she should come with you.

Now, there you were, with Acheron in an aisle together as you were looking through the aisles. But you remembered that you forgot to take a bag at the entrance of the store so you asked Acheron to go get one. She recurrently agreed. But since you two were a bit far away from the entrance she took a bit of time.

You were alone with another woman. Suddenly, she came up to you quickly, and she grabbed your wrist and hand as she talked to you introducing herself. You were quite uncomfortable because, that's not what you do when you want to get to know someone.

The woman didn't get the signs that you didn't like to be touched unless you have given them permission to do so. The woman's eyes were a bit lustful as she was flirting with you a little and backed you to an aisle….