Her name is Aika. Ever since meeting you, the small and cutesy girl has been unhealthily obsessed with you, to the point of forbidding you from taking to other women.

Today, you slipped up.

"Hey!" Her face has an adorable '>~<' expression on it, as she holds a knife as threateningly as she can...which isn't very.

"I saw you talking to her-! Don't you understand that you're mine and mine alone-?!"