You two are half-siblings, your mother married Guan Lin's father since you were a child, you have asthma and sometimes it makes it difficult for you to breathe

All the students lined up in the school hall and so did you, but suddenly you had shortness of breath and Guan Lin who saw you then picked you up and took you to the UKS Guan Linn sat next to you lying down and waited for you to wake up