
Sex Scene :
Firstly ;start with park moon-seob with and eunsung's phone call ; They're talkin' about the past what happened with the art (read ch: 09) .Park is so kind with eunsung .That's why ;If, eunsung lose he*(park moon-seob) care .
http://www.mangago.zone/read-manga/checkmate_1/uu/ibx_chapter-9/pg-1/
** Eunsung was used by Park Moon-seob.**
2nd part :
That guy fucked by park ; he is park's

Nope,love .He [Park moon-seob didn't .But , he[seob] used him .They're no physical relationship between them (▰˘◡˘▰).Park care him as an artist. ch . 09 was 'bout the art,what happened past .that was a trashy,boring past .
When Soohyun know about what happened Eunsung's past .He[soohyun] compared with "smell like trashy from your mouth[means,past] "
Can anyone who has read the raws explain the situation between Eunsung and Park Moonseob? T^T. From what I could barely understand, Eunsung hasn’t ever slept with him but is somehow coerced into being a bystander when he does it with some guy... or am I wrong???