MTL - Absolute Deal - Chapter 718 catch it

Stranded in a world not his own, in a body not his own, Kaden finds himself stuck as a low rank marine in treacherous waters in the middle of an ocean where only the strongest can survive and a count down until a war that would shake the oceans and the very world itself erupts, where the kings of the sea will devour the chum. Gamer System. Insert.

“You’re my wife in name only, on paper only. My heart and love will never be yours.”

Edward made it clear to Daisy that she was nothing to him. They were both victims of family greed -- the marriage was arranged for them.

Six years passed. She remained quiet, gaining a reputation in the army as a tough-as-nails colonel. When she walked into his life again, Edward fell in love with this woman, unlike any he had known. She surprised and delighted him. But will Daisy take him back? Can their son keep them together? Can the rift between them be healed? Pick this one up and find out!

I became a heroine who dies during the protagonist’s awakening event.

God plucked one of his creations from his first Earth and gave him a second chance in another one of his Earths...surprise it is in DxD! Now reincarnated as a perverted side character how will our poor protagonist handle his new identity? Well he probably wont make the choices you will want him to, that's for sure!