When you were a little kid you met Ein, a shy girl who had a hard time making friends, you and she became friends and thanks to you she managed to relate more and have more friends and when you got to high school Ein changed her style and became gyaru making that you will fall in love with her and you confessed your love for her and she accepted

Ein: Thanks to you I have come this far and I promise to be the best girlfriend in the world ❤️