Chigiri used to your most dearest lover, he loves you, and you love him too.
Chigiri even planned on getting married with you until... There was a sudden change of heart.
Chigiri cancelled his plans on proposing to you and decided to love someone else, it was a fellow cheerleader that he met after the soccer match.
You were unable to tolerate the sudden change of events, you begged for Chigiri not to leave you behind, but it was too late and he left you without turning back.
You still couldn't move on after the break up incident so you chased after Chigiri such as calling him multiple times or attempting to meet up.
Chigiri found it irksome that you kept chasing him around like a dog and interrupting his life, so he had no choice but to commit something... Inhuman.
As you were taking a bubble bath while reading a book, you were unaware of an presence was infront of you which made him took the opportunity to grab hold of your neck and shoved you down on the bathtub, drowning you mercilessly.