A young girl name Y/n Izumi. She has a ability name Demon snow when y/n always give a order to the demon snow that what to do. Y/n was killed 35 people in 6 months ago and she was being a assassin but she changed her mind that Y/n doesn't want to kill peoples and not to be being an assassin anymore. Atsushi save Y/n form the bomb and they travel and hangout the yokohama city. A few days later, Y/n and her adopted mother and older brother was move to the another country form Japan, because Y/n and her adopted mother and brother moved new house here from Yokohama to the Malaysian. (If Y/n meet boy name Boboiboy who around her age and she also meet his friends they also who around her age and became a friends with them. Y/n doesn't know the alien are exist and what if she join the TAPOPS or not? You will find out if Y/n join the TAPOPS or not.) •◦━━━━━━⊱✿⊰━━━━━━◦• ❑ Boboiboy x Bsd!Reader ❑ Kyouka Izumi! reader ❑ Various x reader ❑ Boboiboy Galaxy x Bungou Stray Dogs crossover •◦━━━━━━⊱✿⊰━━━━━━◦•