Chapter 1
Issei is son of ddraig and Tiamat
Issei has wife named erza gremory who is older sister of sirzech and rias and older daughter of Venelana and lord germoy
Erza met issei during their childhood day and they are love with each other
Issei gets boosted gear from his dad ddraig
Issei will create dragon evil piece version
Issei will mature and serious guy
Issei will be dragon being and being emperor of underworld
Nami and robin and Grayfia and Hancock and pudding will join issei harem because they are fallen in love with issei
Issei will be mentor of current great four satan and issei will building his government of underworld because the corrupt old devil council are corrupted by khao brigade annd issei manged killed all of devil council and now issei decided put one of his students is sirzech who is head of new devil council of underworld
Issei has kid with erza gremory is girl name is rose Marie gremory because she was born in October 20 1999 in underworld at capital of issei territory
Venelana husband is passing away in after event of attack in underworld because a certain Lucifuge heir who kills lord gremory and erza wants her mom join issei harem after her dad is passed away and issei decides gremory territory becomes part of issei territory now
Rias and akeno and sona and velzard and velgrynd and lady Phenex will join issei harem because they fallen in love with issei
Ddraig will help his son issei to control balance breaker and juggernaut drive along with dragon haki
Lucy and shuna and shion and juvia and Daphne blake and Drew Saturday and black widow will join issei harem because they fallen in love with issei
Issei will be stronger being in earth of face of supernatural world and whole world
Issei will have special ability called summon all girl from different dimension and so issei summon all girl to fight against khao brigade
Issei will so popular guy in Kuoh town and issei going to school because his mom forces him going to school due to his age and his age is 17 years but reality he is 517 year old guy now and his wife is his teacher and she better make sure that issei gets homework
Issei will get true dragon factor from Veldanava because he chooses issei to his next successor of guardians of multiverse
Vail will be girl instead of being boy and she will mentored by issei because she is current white dragon emperor of current era along with heiress of Lucifer clan and she is fallen in love with her master issei
This story will be crossover story
