Blue Giant

Ichika is a high school musician who can enter a mysterious place called “SEKAI,” where she and her friends express their innermost emotions through music alongside Hatsune Miku. One day after giving a live performance, Ichika meets a new Miku that she has never seen before. No matter how hard this new Miku tries to sing, she struggles connecting with the hearts of her listeners. Miku must rely on the help of others to find a way to sing again.

Yukio is your average high school student who spends his days going to class and avoiding bullies. That is until he meets Ryusuke, a guitar prodigy. Together with Taira, Chiba, and Saku they form the rock band BECK. As their popularity increases so does the danger as Ryusuke's past catches up with him.

One year after the events of the anime, Rintarou begins to feel the repercussions of extensive time travel, and eventually completely fades from reality. Kurisu, being the only companion to remember him, now must find a way to bring him back.

Satomi is fine being alone until an AI named Shion joins her class with a song and a promise to make her happy. While Shion’s musical numbers and princess gowns don’t quite pass as human, her antics bring Satomi closer to four other classmates. Together, they make memories worth saving, but even our most precious data can be erased.