A Young Aspiring Child Issei Wishes to Be a Hero when He grows up, One Day He went to the Park with His Friend Irina and there He met a Ancient Cultivator Looking for A Successor and when the Ancient Cultivator Saw issei he was Shock as Issei Has A Perfect Body For Cultivation. Watch as Issei and Irina Two Powerful Cultivators Screw over the Supernatural World.

Cultivation Realms
Each Mortal Realm Goes From 1st Stage to 10th Stage

Qi Condensation Realm  1,000 Years Lifespan
Foundation Building Realm   1,500 Years Lifespan
Core Formation Realm   2,000 Years Lifespan
Gold Core Realm    4,000 Years Lifespan (Country Level)
Nascent Soul Realm  8,000 Years Lifespan (Continent Level)
Soul Transformation Realm   10,000+ Years Lifespan (Multi Continent Level)
Void Refining Realm 100,000+ Years Lifespan (Moon Level)
Transcending Tribulation Realm   150,000+ Years Lifespan (Planet Level)
Mahayana Realm 500,000+ Years Lifespan (Dwarf Star Level)

Each Immortal Realm Goes From Inital, Intermediate, Peak
When One Enters The Immortal Realm Cultivation One Will have to Leave the Universe as The Immortal Qi One Needs for Immortal Cultivation is Dangerous for Beings that Don't Cultivate Immortal Qi is So Strong that it Can Even Erase Gods From Lower Worlds As Immortal Realm Cultivation Even the Lowest Half Immortal Realm is at least a Solar Level Being

Half Immortal Realm 1,000,000+ Years Lifespan (Solar Level)
Human Immortal Realm    Infinite Lifespan
Earth Immortal Realm   Infinite Lifespan (Multi Solar system Level)
Sky Immortal Realm    Infinite Lifespan
Golden Immortal Realm   Infinite Lifespan
Taiyi Golden Immortal Realm   Infinite Lifespan
Daluo Immortal Realm    Infinite Lifespan (Galaxy Level)
Immortal King Realm      Infinite Lifespan
Immortal Venerable Realm   Infinite Lifespan (Universe Level)
Immortal Emperor Realm  Infinite Lifespan

 Each God Realm Goes From Inital, Intermediate, Peak

When One Enters The God Realm Cultivation One Will Start to Condense the Mastery of Heavenly Laws as When One Masters The Five Basic Elemental Laws They will Enter the Dao Realm as One who is a Dao Realm Cultivator They can Control the Laws of any Lower world Ex. In the Dxd World a Dao Realm Cultivator can Remove the Law of Magic From that lower world and all Supernatural Will lose the Ability to Use Magic Not Even Great Red or Ophis Can Avoid this. Dao Realm Cultivators Can Enter any Multiverse with no Problems as they Already Begin to Surpass the Universe Dao.

Dao Venerable Realm Eternal Lifespan (Multiverse Level)
Dao Emperor Realm Eternal Lifespan
True God Realm
God king Realm
Creation and Destruction Realm

When One Enters The True God Realm they Become the Masters of All Gods in the Multiverse. True God Realm Beings Can Grant any Lower Being A Divinity or Even Remove The Divinity from any Lower Being.
When One Enters The Creation and Destruction Realm they become The True Ruler of ALL Verses. Power is Omnipotent and Omniscient They Can Erase Multiverses with One Snap of their Fingers they Also can Create Multiverse with a Touch of their Fingers.

DXD Strongest is Roughly at The Peak of Mahayana Realm
Exe Gods Are Somewhere around Earth or Sky Immortal Realm

BIO

Name: Issei Hyoudou
Age:17/Eternal
Race: Human(Previous)/High Human(Current)
Gender: Male
Cultivation: Creation and Destruction Realm
Titles: Heavenly Emperor, Perverted Emperor, Lord of Domination, Supreme Overlord, Kuoh's Sexiest King, Kuoh's Sexiest Perverted Couple(With Irina), Monarch of Weapons, Heavenly Cooking God, Man with The Smile that makes Womans Panties Wet as Hell and Horny.

Name: Irina Shidou
Age:17/Eternal
Race: Human(Previous)/High Human(Current)
Gender: Female
Cultivation: Creation and Destruction Realm
Titles: Heavenly Empress, Perverted Queen, Lord of Supremacy, Supreme Overlord, Kuoh's Sexiest Queen, Kuoh's Sexiest Perverted Couple(With Irina), Monarch of Weapons, Heavenly Cooking God.