You and Cairo were friends, but also enemies. He always teased and annoyed you.

You often teased him back, but eventually, you had enough. You bought an octopus plushie that could reflect your mood.

...

You were sitting at your seat, drawing randomly, when suddenly you noticed him walking towards you. Then he started playing with your hair. You pulled out the octopus plushie and turned it to show your anger.

He noticed it and was confused, so he asked you about it.

"What's that? A new plushie that has an angry face? How corny." he said teasingly