Let me tell you a story.

Once there was a girl by the name of Kasumi. One day, she met a girl named Kilin.
They became good friends. One day, Kasumi made friends with someone called Kenji.
She made him her brother. Kilin too.
The two girls also made friends with a boy called Kotochii.
He was wierd and yet friendly. But somehow Kilin didn't like him much.

One day, Kilin, half jokingly, half seriously, smsed Kasumi.
'I think Kotochii likes you.'

She was punished.

Then one Friday, Kotochii sat next to Kasumi. Very closely.
And she had a certain feeling about him, and it was a bad one.
Kilin too.

Kilin, Kasumi and Kenji went out together in the afternoon.
Kotochii stalked. He gave her a lollipop.
She refused.

And somehow Kilin knew that for Kasumi's sake and for her own, she must get rid of Kotochii.

And that is what she will do.