Because of his unrequited love, Reo gets Hanahaki disease, where the disease will make the sufferer emit flowers from his mouth and can even make the sufferer die if the flower continues to grow in his lungs

One day when you and Reo were walking in Reo's park, suddenly coughing and spitting out flowers, Reo immediately left you

reo:"D-don't..don't come closer!go.."