Mature love

His sister was sacrificed when he was a child. He sees a girl at the same cliff and she tells him that she is his sister. He finds out later that she lied and that she is actually the next sacrifice. He runs away with her and they live happily together

Girl is sold into prostitution to pay her family's debt. Her fiance from back home became a fireworks guy and lights the sky with flowers of her name. She pretends not to care but she cries in the end because he is still waiting for her

Woman finds boy in the trash and let's him live with her.

Man falls in love with a mystery woman with a scar on her face but he cannot find her anywhere around town. He thinks she is a ghost. Woman's scar appears when it is hot. She thinks he only loves her for her scar but they talk it out and become a couple