Read manga: I Want To Become The Hero's Bride ( ̄∇ ̄)ゞ

manga
Summary:

"…That person, my fated one."Everything changed for Berlina, a girl who reincarnated in a fantasy world with memories of her previous life, the moment she laid eyes on the Hero, Chris. She abandoned her life in the city and started a new life of chasing after him! Whether in  fire, water, or inside a dangerous dungeon, firmly hiding 10 meters behind the figure of the Hero, to chase and watch over him. All to be his bride!!