Ryuu Kusari no Ori -Kokoro no Uchi no “Kokoro”- - Side Story - Ever-Changing Iris-chan

Vincent Strider was a gun for hire who made a living by killing whoever it was his clients wanted dead. But during one mission, he died in a fierce gunfight. However, death was not the end for him. Vincent found himself reincarnated in another world, facing a floating interface that flickered before his eyes.[Synchronizing Host!][Military System initializing.]Vincent found out that in this system he received, he can summon soldiers, tanks, aircrafts, and even warships! This is going to be exhilarating.

A 34-year-old NEET otaku, chased out from his house by his family, found that his life is reaching a dead end. He then recalled that his life could actually have been much better if he had made better choices in the past.

Ray, a super nerd virgin otaku student was transmigrated into a game based on galge.

“Ding, please prevent the main heroines from falling in love with the protagonist

Rewards: Elementary Cooking skills.

Penalty: The host will lose his house and all his property.”

Wait, WHAT THE HECK!!!

I don't want all of this, please return me to my old world!!

“Ding, It was indicated that the host wants to reject the mission. Reject the mission and immediately gain the penalty Y/N”

NOOOOOOOO, What in the seven hell has I did to ever deserve this thing!!!

Follow the journey of Ray and the absurdity of the system in this story.

Other tags:

Beast taming, School life, R-18, MILF, Weak to strong, Yandere, Evolution, Annoying system, Super annoying system, Super super annoying system don't complain you have been warned.

Cado is transported to the Dragon Ball world and unexpectedly awakens the God-Level Choice System.Ding![Saiyan “Raditz” has invaded Earth. Host, please make a choice!][Option 1: Ignore it.Reward: Namekian Bloodline (Grants limb regeneration!)][Option 2: Face Raditz head-on and defeat him.Reward: Legendary Super Saiyan Bloodline (Top-tier talent, completely overpowered!)]Without hesitation, Cado picks the second option.Frieza: “How did the mighty emperor of the universe end up as his servant?”Cell: “Damn it! Why did no one warn me that such a monster existed in this timeline?”Beerus: “If he wanted to be a God of Destruction, my position would've been his already.”Grand Priest: “I acknowledge Cado as the strongest!”With unparalleled power, limitless potential, and the ability to reshape the Dragon Ball universe, Cado's journey begins!(Harem only includes 2 women)