Akumade Taidana Akuyaku Kizoku

Luke is the languid second son of a villainous duke.
By some unexpected instance he comes to know of his own fate and in an attempt to avoid his own fate he works hard at finding a peaceful family to marry into and researching magic.

All his hard work is to live a peaceful and slothful life... And yet he gets involved in one pain to deal with after the other!? The path of utmost sloth is a steep one.
A magical fantasy starring a languid prince that wants nothing more than the life of a slacker!