Kaishin No Ichigeki!

Shino Chigasaki is a high school girl who dreams of experiencing a romance likes those in shoujo manga. On the day of her high school entrance ceremony, she drops her commuter pass and the guy who picks it up bears a striking resemblance to the handsome boy in her dream...! Shino has been shot through the chest with Ichinose-kun's little gesture!? The comic version of "Kaishin no Ichigeki," a song written by Amatsuki, a popular singer.

Manga adaptation of the music video of the same name by Amatsuki.

Links:
Amatsuki ver.
Hatsune Miku ver.