Despite this novels tragic beginnings, most of the novel can be considered an action dark comedy. 
After defeating the noble Orcs and doing some stuff, Van will unite the ghouls and move with them to the ruined city of Talos which is overrun with the undead titans(they are mini-giants), but the undead like Van so they just kind of settle the city. Van is named the holy son of Vida by an undead priest, and everyone names him emperor of the newly rebuilt city, despite his wish. The human nation Van and the ghouls are sort of running away from will attack the city and fail and all die, some of them will join the city as undead. Then Van will try his first, of many times, to peacefully contact the nation on the other side of the mountain range that accepts the worship of Vida. Local officials there are ,of course, corrupt and Van helps free the enslaved ancestors of the undead titans(although some of them were from the titan Talos was wrecked as Titans live along time.
At this point the first big event from Origin happens and Rodcort finally see that maybe he has to take out Van. One of other reincarnated individuals is murdered( for good reasons) and Rodcort send him to kill Van. Van wins the fight and breaks his soul(I forget if he breaks his soul or eats it at this point).
Anyway I left out a few events, but this is a very rough draft of what happens in the first 50 chapters or so.