A bloody war between two kingdom lend the king of one of the kingdom to call his royal assassin name light

Light:my king what seem to be the problem

The king holding the baby y/n look at him

King:light as you see this war has took a lot of life and may end in both kingdom gone. But I cant let my precious y/n die like my wife who sacrifice her own life to save him.

Light nods

King:I need you to take the baby away from here. A portal gate is in the forest and can only be use once. Take as much money you need but please promise to train and protect him

Light kneels down

Light: I promise with all my life to protect him

The king nods and is glad the baby will be safe

Two months later

The war ended the two kingdoms leave light and the baby y/n alive

They want to the portal and active it. With only a chest full of gold and treasure thank to the king, the royal weapons and the light weapons they go to the new dimension.

Timeskip

With the help of people they were able to find a new house to live in

But on the way back from buying food light hear meow and find a little neko girl

Light:do you have a family

The neko girls start to cry

Light:aww well y/n will need someone to have a bond with and be part of family. Hmm,why not. You can come with us

The neko smiles and light carry her back home and soon y/n and the new neko named cherry get along and from a bond that will grow as time past by. This is the start of the y/n the prince and assassin that will have a crazy life full of crazy events. But most importantly have a lot of people that will fall in love with him

(And this is chapter one. I will do more. I have an important question.
Which girls from which anime video games should I add. For example rwby girls high school dxd or ect. Please tell me. And the neko name cherry is a friend that wanted to be part of the story name -malachi-the-neko. It a female verison of him. If you want to be part of y/n love group please ask me and I will most likely add approve it.  Until next time see you later and this how cherry will look like when your both old. She not a yandere....yet)