Pervert Turned Demon

Ru, an ordinary high school student suddenly founds his life turned upside down when commanded by a strange voice to be stark naked in his classroom. Unable to suppress the fear engraved within him via that strange voice our meek hero run for the washroom only to found it being locked from outside however as the ghastly presence of the nagging voice from the blue, keeps haunting our meek hero he was left with no other choice but to use the girl's washroom as the substitute. But the fate seems too unfortunate to him as while shedding off his clothes he encounters his ex-lover Yumi sharing the same air as him in the washroom. utterly shocked by Ru in the girl's washroom she ran whining loudly "Ru is a pervert". As her words find a place in the Principal ears, Ru was immediately expelled from the school. However, that just looks like a feigning start to what will happen next to our hero as on one unfortunate day he found himself enslaved to a Demon Lord who compelled him to act as an errand to fulfill his evil doing. As Ru tries desperately to get out of the clutches of not so aspired life of him, he feel quite helpless. However, the question still remains "whether he could ever free himself from the shackles of his crumbled life?" or is there is something else that awaits him at the end of his destiny.