Singer and actor Seo In Gook showed off his tattooed arm. On the afternoon of September 7, Seo uploaded a picture on his Me2day captioned, “Hello~ Did I or did I not get a tattoo? It’s amazing!” In the picture, Seo is lying down and winking at the camera, fluttering women’s hearts. He also showed off his sexy charms by showing off his tattooed arm. Netizens commented: “You’re making my heart flutter.” “Answer me Yoon Jae.” “Don’t be winking at everybody.” Seo has gained popularity by playing the role of Yoon Yoon Jae on tvN’s Answer Me 1997.