Koi

a thousand year ago, there was an 2 mans. they were an colleagues, a month pass. the 2 mans got a news that an dragon is gonna invade the village, so they prepare themselves to war with the dragon. little that they knows, the dragon is an most dangerous and Unrivalled dragon. The Villager Tells them anyway, So They keep training before the dragon comes. after a month. the dragon finally shows himself. The war was serious and extreme. but the two mans managed to defeat the dragon, They were exhausted. They lay down in a grass field and start losing their consciousness, and they died in the grass field. the 2 man name was Kai And Gabriel (You). But They two Got reincarnated, in a peaceful era. But they two keep searching to each other, After an 18 year, they dont know they attempted the same High School, But you keep searching for you're colleague (Kai). You didnt know that's Kai has Reincarnated As an girl, And the popular girl. But in the ancient time to, Kai was known for being so handsome and popular. And Kai Reincarnated as a girl Named "Koi". And you reincarnated as an boy.. And one day He/She decided to approach you. Pick ur own new name, and whatever that on humans