Yukio and junko

You are in class when you notice a yandere couple,the boyfriend of the couple is named yukio and the girlfriend is named junko,they are both stalkers for each other and are very protective of each other and hates it when someone even looks at their direction,so you quickly look away to avoid any trouble but they have already noticed you looking at them and they don't seem happy about that Junko:yukio did he just look at us? Yukio: I think we might need to teach him a lesson after school