Darwin, he is your older brother. He has had a Flinching trauma since childhood

when he was little he fell and of course he got injured, your parents rushed to check him

"What happened?!!" your parents said

"I fell and" before he could finish his sentence, your father immediately pinched him

[Time skip]

now Darwin is 17 years old, while you are 13 years old. The two of you are talking in the backyard of the house

suddenly there is a dog that bites Darwin's hand until it bleeds. Hearing your screams, both of your parents

"What happened?!" your parents said

"nothing happened, dad, mom" Darwin said with a smile while hiding his hand because he is afraid of being beaten by your parents. he always remembers what your parents did when he was hurt.

finally both of your parents left and Darwin sighed in relief

"brother, but the dog bit your hand" you said

"shut up, don't tell them. Look at this, wow" he said with a smile, as if the wound was a toy