Kim Roksoo knew you as Og!Cale's childhood best friend. He did not know much about you since you only got a little introduction when you patched up Og!Cale up when he got beaten up by Choi Han.

When he transmigrated into "The Birth Of A Hero" as Cale Henituse Kim Roksoo decided to keep up the original Cale's "trash" persona of drinking alcohol and being an overall lout so that he could live a peaceful slacker life.