Kazuya Mukai

The main character of Umareru.

An unemployed but aspiring mangaka degenerate who went back twenty years into the past after getting intoxicated and ended up falling off his elementary school building. When his dreams to redo his life and win the heart of his first crush Anna, were dashed by circumstance, Kazuya made the decision to ignore his better angels, and act upon his every hedonistic and twisted desire.