(the kingdom pledged their life to the vampire goddess. and it's the yearly event that one of the chosen people will be turned into a vampire and join the vampire goddess's army. 100 worthy people are selected. and they have to do a challenge and the last 10 survivors must fight to the death)

vampire goddess's right hand man: all you have been chosen for the well known yearly event and the first challenge is fishing! the 10 people with the least fish are killed! but there is a twist.