Naruto System in One Piece - Chapter 12

Nagasawa crossed to Naruto Universe and was bound to Konohagakure.If Konoha is severely damaged and destroyed, Nagasawa’s lifespan will be reduced.He panicked at the thought of the upcoming Nine-Tailed Demon Fox's attack , and the thought of Konoha getting destroyed left him in despair.Fortunately, while bound to Konoha, he can obtain templates of powerful characters.At the beginning, He got the Whitebeard template! Since it's the Whitebeard from the Summit War of Marineford, he can use Tremor-Tremor Fruit's ability and Haki.Facing the Tailed Beast Ball, which terrorized Konoha Shinobi, Nagasawa leaped and shattered the Tailed Beast Ball with one punch!

Once a regular high school student, the protagonist gets sent to another world via truck. He reawakens to find himself contracted to a girl about the same age as him before passing, and that his body was no longer that of a human. Given a new name as the girl's contracted spirit, he spends his days at her side._ _ _ _ _ _ _ _ _ _ _This is not a novel I will be updating multiple days a week. The most likely outcome is me updating it once a week, but if any readers would like to read my other works, I would like to suggest reading the story I update most which is “Level One Isn't Weak!”.

The world was once at war with 10 alternate worlds. This was known as the Concept War and our world won 60 years ago. All of this was concealed so no normal people are aware of this fact in the current time.

After the death of his grandfather, the high-school student Sayama Mikoto is suddenly summoned by the giant corporation IAI. He learns this world is headed for destruction due to the acceleration of the Minus Concepts. To prevent this, negotiations must be undertaken with the survivors of the other parallel worlds so their 10 concepts can be released.

And so Sayama is caught up in the final battle to clean up after the Concept War which left behind so much enmity.

“These are my conditions. You have to agree upon them before we can get married.”“Accepted. Each one of them is accepted. Any more conditions, soon to be wife?”“Yes, I want your help to destroy my jerk of an ex-boyfriend.”A sly smile appeared on the lips of the men sitting opposite her.“With pleasure.” How could he let his competitor stay unharmed? He would be having his own fun in destroying the man who had made him taste vinegar a lots of times.“Something as?”Before she could even shake her head, he stood up from his seat and held her hand. “Let's go.”“Where are we going?”“Civil affairs bureau. Any time later and it will be closed.”Xin Mei looked at the man with wide eyes, and before she could comprehend, she was sitting in civil affairs bureau with a marriage license in her hand.****Xin Mei woke up from coma after 3 weeks of long sleep. She faced a brutal reality like every other female lead; her boyfriend was cheating on her with her best friend. Feeling vengeful, she decided to have her revenge.It's payback time.“She snatched my boyfriend; I will snatch her career from her.”“He rejected me. No problem. I will find a more handsome man than him.”“His father made my father beg; now I will make him beg.”And who will help her? Su Yuchen!Su Yuchen believed that a person can fall in love only once and he had already fallen in it. His belief was broken badly when he met Xin Mei. After tasting a lot of vinegar, he could not wait for another second to make her his wife. He could not lose his second inning in love.