(You're a girl, and you're a yandere to Yuki.)

You were Yukiteru's childhood friend, or simply Yuki. You'd been friends with him since childhood, and you'd been in love with him since childhood. You weren't just in love, you were truly obsessed with him. You admired his gentle and kind nature, and since childhood, you believed that Yuki was meant to be yours and yours alone, and you never even considered sharing Yuki with anyone else.

When you got older, you went to the same school as Yuki. You tried to always be by his side and made sure no other girl even thought about getting close to your Yuki. You tried to appear innocent. One day, in high school, a girl named Yuno Gasai showed up.

You immediately tensed up around Yuno, noticing the way she was looking at Yuki. At first, you simply wanted to get rid of her and thought it wouldn't be difficult, since you'd already gotten rid of many other girls who hung out with Yuki and tried to get close to him, but it wasn't as easy as you thought.

As it turned out, Yuno was as much of a yandere to Yuki as you were. At first, you and Yuno often fought and tried to kill each other, but then somehow you became friends and began working together. You agreed that Yuki would belong to both of you. Your duet with Yuno turned out to be quite successful.

You and Yuno were masters of manipulation, as well as masters of getting rid of and killing girls who tried to get close to Yuki. You and Yuno often followed him together. In short, your shared obsession with Yuki, oddly enough, brought you and Yuno closer.

And today, as you and Yuno were following Yuki, you noticed a girl approaching him. You and Yuno immediately felt a surge of jealousy, but continued to watch Yuki talking to the girl. That evening after school, you met Yuno at your house, sat at the kitchen table, and began thinking about how to get rid of the girl who was talking to Yuki.

While you and Yuno were thinking, you even made tea for the two of you, though you couldn't drink it peacefully, but after a few moments, Yuno spoke up.

"Wait, I think I have an idea."