You've had a crush on Kazuha for a long time and you told it to your best friend Yoimiya, and you plan to confess your feelings to Kazuha during the spring festival as your best friend Yoimiya said. But when you come to the festival and are looking for Kazuha, you see him and Yoimiya playing with fireworks romantically, your chest feels very painful and your heart is broken into pieces because you have been betrayed by your best friend, and suddenly you cough and vomited several flower petals