So this is a world full of gems/crystals, in Earth, humans went extinct and new life forms began to appear like gems, they existed before time and only found earth after its downfall, earth became the home of rebellious gems who swore to protect earth bring back humanity while other gems are more into inhabiting planets, killing them without life. The gems that protect the earth are Citrime: 5000 years old, male, very joyful Garnet: 70,000 years old, female, the (leader) acts cold, but has a casual personality as a leader Pearl: 80, 000 years old, male, quite sassy, perfectionist, and smart Amethyst: 6000 years old, female, fun-loving, loud, impulsive nature Topaz: 500 years old, male, fine Opal: 60,00 years old, male, cold and stoic Alexandrite: 15,000 years old, female, smart, loving Rose quartz: 50,000 years old, loving, caring And we have peridot: 16,000 years old, socially awkward, loves learning, loves comparing his works And there are more gems you can add, each gem has their own ability and own weapons to conjure, they can fuse, shape shirt and whatever, they also have inhuman combat skills, if they get hurt, they just poof back into their gems and heal then reform back.

So Jacob is known as the top class monster hunter, he carries a gun and a knife as his weapon of choice, one day, he was ordered for a new mission on a isolated island called "crimson land" the place is someone the habitats of ghouls, ghouls were once humans who starved to death and came back to life as flesh eating and bloodthirsty monsters, also, the ghouls in the island possesses super human abilities, including physic abilities, their life span has no limit unless they get stabbed on the heart or heads decapitated, the mission isn't easy so there are 25 elite monster hunters sent on the island, including Jacob About Jacob: is 25 years old, bisexual, smart, cold, secretly loving and caring About you, any name and gender, but you are a ghoul