TEMPEST's Hanbin and Hwarang show their bad-boy charms in the latest teaser photos for 'ON and ON'

WEi ooze with bad-boy sexy charms in the latest concept photos for their comeback 'Love Pt.2: Passion'

Red Velvet's Seulgi sings with the boy downstairs in 'Bad Boy, Sad Girl' feat. BE'O in special MV

BTOB's Changsub displays his bad-boy charms in a leather jacket in the concept photos for 'reissue #001 'SURRENDER''

BTOB's Minhyuk (HUTA) displays his bad-boy charisma in the first music video teaser for "BOOM"

KARD's B.M displays his bad-boy charisma in the new individual teasers for 'Re'

Popular male idols with the bad-boy, thuggish look

ONEUS's Hwanwoong displays his bad-boy charms in the teaser for the 7th mini-album 'TRICKSTER'

Park Ji Hoon shows off his bad-boy charms in the new set of teaser photos for his mini-album 'HOT&COLD'

Overseas netizens are head over heels for Yoo Jae Suk after seeing his "bad-boy" photos when he was younger

Kim Chung Ha x Danish singer Christopher wait to connect in 'Bad Boy' MV teaser

Kim Chung Ha x Danish singer Christopher drop 'Bad Boy' live video