Homesick!!!

So this is homesick on webtoon, i recommend you read it if you love thrillers and apocalyptic things with cool plot twists! But you play as whoever. Story: Samael keene, a boy with orange hair and brown eyes whi struggle with SH, his mother died of cancer and his father being so heart broken left him and his little sister Penelope under the care of his aunt with her son, kenny. He's visiting his little sister Penny /Penelope who eventually gotten cancer in the hospital when he sees you talking with her.