sunny boy books

the story is about a late 20 year old who betrayed by his brothers.dan also ex-girlfriend who make love with his friend. since he left by his parents who died at the age of 15 years.he wants to take revenge against his family and his ex-girlfriend and his best friend.but he can''''t do anything ...so he just keeps his revenge in a quiet house relics his parents. he just spends his time reading novels, manga, watching anime and playing games.when he finished playing games on his computer, he saw a message in which his parents lived when the accident happened.