“What’s with that attitude? Is that how you talk to your sister?”
“You’re the one who started it.”

Saeka was the one who came at Kaoru first, but Kaoru always answered in kind—
This was how it always went when the two of them were near each other.

Today was no different. At Saeka's pestering Kaoru finally snapped and lashed out.

“I don’t want to see your face. I don’t want to hear your voice. I don’t even think of you as my sister anymore!”

Saeka was about to cry as she bolted to her room.
A few days later, she would do something no one expected…

[Translated from dlsite]