The Three Friends

This story is based on the vocaloid song called 'Reboot'. Its about three best friends Ritsuka Yurizawa, Miyuki Akimi and Kanade Saya.They are very close. Once Ritsuka gifted her friends a star keychain and they all loved it.

The keychain marks their friendship and they think they will stay friends forever.....

but....

A tradegy happens which breaks their friendship.....

So what will happen?? What is the tradegy? Will they be friends again?

Or

Will fate not let them stay together.