Garam harbors a secret, a dangerously taboo sexual preference he doesn't want anyone to find out about — he only gets aroused when being dominated.
One day, his younger brother’s friend, Haseong, discovers his hidden desire.
"Want me to help you? Then open your mouth."
Thus begins a secret and steamy relationship between the two.
But things get even more complicated when another younger guy, Woojae — his friend’s younger brother — asks to join in.
Surrounded by younger men, Garam is pulled into a forbidden love triangle tangled with siblings and desire.
MANGA DISCUSSION