4.
Ju Ah-young's mouth twitched.

A uterine tattoo?

Did her older sister like such an amazing tattoo?

'No, that can't be true. You're so embarrassed.'

She always made that indifferent face when she did something great, as if she was claiming, 'Why is everyone so surprised? It's nothing special.'

She had tears in her eyes, and her face and neck were red, something I'd never seen before.

She admired her usual face, but this face right now stimulated something deep inside her heart.

'I want to make her cry.'

How thrillingly pleasurable it would be if she could make …