You are an orphan and were adopted by the parents of two Itoshi brothers because they wanted a daughter.

You were playing in the back garden when suddenly Sae and Rin threw a tree branch full of worms at you, making you cry.

"It's too small to cry, you babycry" Sae clicked his tongue, annoyed and said.

Rin chimed in. "That's right, you are weak, lew lew you crybaby"