Bakugo and Y/N were high school sweethearts ... until they weren't. 4 years after graduation, Y/N is dating Kirishima and working part-time as a rescue hero and part-time at the hospital. Then one night, Y/N gets attacked walking home from her shift at the hospital and who saves her? Not her dashing boyfriend in red, but the number 2 hero ... who also happens to be her ex-boyfriend.