Netizens are going crazy as Seo In Guk and Ahn Jae Hyun have reunited for K.Will‘s new song, seemingly teasing a “Second BL.” Seo In Guk and Ahn Jae Hyun in 2012 | Starship Entertainment Back in 2012, the internet was broken by the biggest plot twist from K.Will’s song “Please don’t…” The music video…