I might be over analyzing this, but I love how his father looks like stone. It makes him feel unreachable and far away, especially considering the unrealistic expectations he has for woo jinheong. But when there's even a little bit of praise, his father looks more human, which really matches what Woo Jinheong said. "I want to hold my father, but I also want to destroy him and beat him senseless." I think it really captures the conflict he's feeling
_ _
▃ ⠀⠀.﹙ ⠀__⠀ 𝓨 𝓐 𝓡 𝓘 ,
`⎚⩊⎚´ -✧
_ _ 𝘐𝘕𝘍𝘑 𝘚𝘱/649 𝘓𝘌𝘍𝘝 𝘙𝘓/𝘰/[𝘈]𝘪
▃ ⠀⠀.﹙ ⠀__⠀ 𝓨 𝓐 𝓡 𝓘 ,
`⎚⩊⎚´ -✧
_ _ 𝘐𝘕𝘍𝘑 𝘚𝘱/649 𝘓𝘌𝘍𝘝 𝘙𝘓/𝘰/[𝘈]𝘪