──── yandere! Yeon Si-euin x female! Reader ❝ LET THE WORLD BURN FOR YOU, THIS IS HOW IT ALWAYS HAS TO END. IF I CANT HAVE YOU THEN NO ONE CAN. ❞ ↳ In which case, being diagnosed with a brain tumour gave you a reason to die peacefully. However, things turn chaotic when you are transferred to an all-boys school; you make both friends and foes. And even experience some betrayals, but the most terrible part is that the quiet boy who appears to stay to himself has a profound loathing for you, which quickly evolves into an obsessive infatuation. Weak hero x female reader. Yeon Si-eun x female reader.