#1Under the Sea ⇔ Cashton ✓by cancersurvivors81K5.3K21[MERMAID AU] When Calum turns 17, he is diagnosed as terminally ill by a group of doctors who can't seem to explain why he is feeling so sick. However, Calum's symptoms...Completedmermaid5soslukehemmings5secondsofsummer+15 more