One day, your male best friend died because someone murder her.The murderer is still a mystery and the only clue is that he was killed using a guitar

You came to the murder scene because you wanted to see it, you saw the weapon like..your boyfriend's guitar..

At late night,your boyfriend,Asihi came into your house bringing a bonquet of rose and a teddy bear while sharp and scary smile

"Like the gift I gave you in the morning darling?I already told you not to be close to him.."