Yuya used to be a fat and ugly boy, everyone hated him and walked away his brothers bothered him and little by little he lost his interest in him, but his grandfather was the only one who gave him hope and when he died he left Yuya his house and all his goods that were few, this his brothers bothered him more because they did not receive anything for the grandfather, so Yuya moved to his grandfather's house, he had a part-time job and was a student so he tried to survive

But one day a girl was in trouble and he helped her but to help her the bandits beat him brutally, but when the gangs left he got up and went home, the next morning his brothers bothered him beating him and insulting him calling him a bastard

When he got home it was finally vacation but he was already fed up with his life he hit the bathroom wall opening a secret door he entered and found several strange things but when he got to the back of the room he found green doors when he entered he entered a cabin in another world of a wise man who left that house to who will find it with all its contents a panel of his statistics appears showing that he was at level one, he slaio and tried all the weapons there having skills and when defeating A monster of that world went up in a cloud and got money by selling what he got from the monster, when he returned home, at night his body changed completely when he woke up he was no longer obese, he had a beautiful face and a muscular and attractive body

When he returned to school no one believed it, he used both worlds one to study and the other to strengthen himself but one day the girl who saved a while ago recognized him although he changed a lot and took him to his elite school where the best were and told him that out of gratitude that he would join since she was the principal's daughter, and today was his test day to see if he liked it, he entered your classroom and introduced himself

"Ho-hello, I'm Yuya Tenjo"

All the girls were dumbfounded by his appearance but he felt insecure