Yoo Ah In Shows Off His Sculpted Abs and Underwear in Sexy Photo Shoot

The 'Six Flying Dragons' star goes shirtless and pulls down his pants to expose his briefs in one of new photos he shares on Instagram.

AceShowbiz - Yoo Ah In has treated his Instagram followers to a sexy new photo of him. The actor, who rose to fame after starring on 2010's series "Sungkyunkwan Scandal", took to the photo-sharing site on Friday, February 9 to share two black-and-white pictures from a recent photo shoot.

In one of the snaps, the 31-year-old hunk goes shirtless, baring his sculpted abs. He strikes a sexy pose as he puts his hand on his pocket and pulls them a little lower, exposing his briefs. Another image sees him wearing a white long-sleeve shirt and plaid short pants. He left the post captionless.

The pictures were apparently taken from his GQ Korea photo shoot for the magazine's 2017 Men of the Year edition. Many fans commented on the never-before-seen pictures, with one writing, "They should have published the 2nd [shirtless] pic."

"A marvelous actor for sure," read another comment. Other other posted, "Both concepts are fantastic." Another cheekily wrote, "Kya~ oppa @hongsick dress your cloth fully please #nosebleed."

Prior to sharing the sexy photo, Yoo Ah In was feuding with pretty much everyone, including movie critic Park Woo Sung, idol trainee Han Seo Hee and a psychiatrist on social media. He lashed out at "so-called feminists" on Facebook, writing in November last year, "These so-called 'feminists' out there are slashing the very reputation of famous people and violating their rights, causing the victims to endure this harsh reality."

He was accused of being a misogynist after responding to a comment, "what does it mean to be in solitude?" by asking, "Have you been hit by a zucchini before? (cringes)." A "zucchini/squash" is a metaphor for penis.

He later explained his remark, "I was jokingly responding to a long post ridiculing me. My response to an anonymous person who wasn't a woman has been taken as misogyny. That was the start to this unexpected, baseless situation."

Han Seo Hee was involved in the heated debate when she wrote to Yoo Ah In, "Stop cosplaying as a feminist. I'm not the one who's taking advantage of feminism. It's laughable," in response to the actor's alleged quote which read, "They don't call men 'male actors,' but they call women 'female actors.' It means that in reality, women have still not yet reached an equal level in society."

Yoo Ah In hit back at her, writing, "Don't spit on a smiling face. Just eat this #ricecake. I'll 'delete' this for you tomorrow. Be as angry as you want. Here's another #gift for you (pill emoji)," referring to her marijuana controversy involving Big Bang's T.O.P.

Han Seo Hee wrote back, "What did you say? I couldn't hear you because your penis is so small. lol," adding a post with two men and a pink heart, referring to rumors that allege Yoo Ah In is homosexual.

Yoo Ah In also lashed out at psychiatrist Kim Hyun Chul who suspected that the actor was suffering from hypomania. "In regards to Yoo Ah In's case, symptoms will likely be at its worse in February next year. Things aren't looking too bright," he wrote on Twitter in late November.

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