Seulgi posted a selfie on his Instagram story on the 1st, taken with Camera with freckles and Butterfly effects.
Seulgi's face in the picture is painted with freckles, which add to the girllike atmosphere of Seulgi; Butterfly around her face gives her a dreamy feel.
Meanwhile, Irene's group RED Velvet released the repackaged album "The ReVe Festival' Finale" last December and acted as the title song "Psycho".
About Seulgi
Kang Seul-gi, known mononymously as Seulgi, is a South Korean singer and dancer. She is a member of the South Korean girl group Red Velvet and its sub-unit Red Velvet - Irene & Seulgi. She is also a member of South Korean supergroup Got the Beat.
 Wikipedia