Jun loves Yeon-woo and Yeon-woo loves Jun. They are boyfriends in crime or we could say married couple huhuhuhuhuhu. And Jun was the one who confesed to Yeon-woo first withou entirely knowing about the black room and his past, so the love is mutual 
Jun loves Yeon-woo and Yeon-woo loves Jun. They are boyfriends in crime or we could say married couple huhuhuhuhuhu. And Jun was the one who confesed to Yeon-woo first withou entirely knowing about the black room and his past, so the love is mutual