Uta and Hibiki

A bit of history and characters

Story: 5 years ago blue and red bubbles fell but the red ones explode as if they were bombs and the blue ones only leave water but for a strange reason in the center of Tokyo a giant bubble was formed that covered the entire center of Tokyo and the blue bubbles exploded and filled almost half of the giant bubble, five years later Hibiki's friends and he live in the giant bubble where he meets Uta and falls in love with her but Uta's sisters attack the center of Tokyo and Uta sacrifices himself to save Hibiki's friends and him. Hibiki: tall, with slightly long black hair, skinny, serious, when he met Uta he began to fall in love with her, he always wears headphones, has yellow eyes and is good at parkour. Uta: short, blue-haired, not a human but a bubble but can turn into a human, you don't know how to speak but Hibiki's friends teach you to speak, for a strange reason you can touch all humans but not Hibiki because if you touch him you turn into a bubble and die, purple eyes and in love with Hibiki but in the end you die