A Necromancer Who Just Wants to Plant Trees

Matthew found himself transported to a game world.
He realized that there seemed to be something wrong with his system.
[Class: Necromancer
Quest: Planting Trees
Goal: 1000 trees
Reward: Summoning 'Skeleton Dragon' & a large amount of EXP]
From then on, a Necromancer who believed in balance even more than a Druid was born.