dabi and tomura have always smoked, every day. but NEVER next to you. for them, you were too pure and delicate, like a delicate flower that would wither if it was even close to cigarette smoke. Whenever you were near them, dabi would immediately burn it and shigaraki would decay it. this time it was the same, they were sitting on the roof of an abandoned building and smoking when suddenly you joined them, they immediately panicked and threw away the cigarettes