SONE-887 So close! So close! So close! My girlfriend's cute little sister, Marin Mita, is so close that you can 100% kiss her!

Today was the long-awaited date with my girlfriend. When I got to the meeting place, I was surprised to find her sister there! Apparently her name was Marin, and we decided to go to their house. However, Marin seemed a little strange. She was really close to me. Not just physically, but even her face. Face to face, almost 0cm. Lips to lips, almost zero distance. What...