Based on My vampire system The main character as experienced life in all it's evilness, but a chance revealed itself, maybe he can make everyone SMILE Each chapter has a rating of the main character's emotion Unhappy: feeling anything else apart from happiness, not that dangerous Happy: self explanatory. can be surprisingly playful but when provoked will become Really Happy: Will show teeth when in this stage, Will stop at nothing to make target suffer SMILE: Known for it's signature really wide smile, once targeted, a whole world of suffering falls on you Deathly Happy: In this stage, he smiles like in Really Happy, but his teeth are bloody and is ready to kill Trigger mode: Only happens when he snaps Trigger Happy: He looks like he's forcing a smile and his hands will always have three syringes in them, giving the look of him having claws, even if he throws the syringes, there'll still be three in his hand Really Trigger Happy:His forced smile gets wider and he gets slightly taller Deathly Trigger Happy: In this stage, blood ooze out from his eyes, and he forces a smile that shows bloodied teeth, in this form, you might as well ask God for forgiveness of sins These only refers to when the MC is Gray scale, or Photo negative or other abomination apart from Mr. Smiles and Hourglass. Trigger mode only happens to Gray scale Will he complete military camp, by making everyone HAPPY, or leave them alone Stalk this story to find out