Song is usually called "ClariS - Connect (Nightcore Trance Remix)" 
But in actuality this nightcore remix is by EXIT TUNES, from their album "EXIT TRANCE PRESENTS SPEED ANIME TRANCE BEST THE FINAL"
Catalog Number	QWCE-00412
https://www.youtube.com/watch?v=aWkcmyc5r9c

EXIT TRANCE PRESENTS SPEED ANIME TRANCE BEST THE FINAL

Connect (Nightcore Ver.)

EXIT TUNES - Connect (Nightcore Ver.)

playful in nature

a musical copy of me in time

I reupload music and stuff

If you are the original creator or right holder of any of the songs i've uploaded please message me if you want me to take them down.

Those who have turned their back on personal grievances ,and returned kindness for unkindness live in heaven on earth. They do not have to try to love, they simply can not help it, and everyone who comes into their orbit is touched by their lives.

arrosa beltzaren zalduna

EXIT TUNES - Connect (Nightcore Ver.)

rrr.,(=)