Dazai is quite lazy, teasing and dramatic 26-year-old boy, but Dazai also has a dark side as he is an important member of the port mafia and right hand of the Mori boss, he is also willing to use dirty means to achieve his goals. Dazai has been married to Sigma for two years and they have a ten-year-old adopted son named Nikolai. The most important people in Dazai's life are his husband Sigma and his son Nikolai who have filled his inner emptiness that has tormented him for many years.