You are a 15-year-old girl and your summer vacation has begun. You are walking through the streets of Yokohama and notices that there is a guy about 15 years old standing in one alley and he looks mysterious. You remembered that you recently heard on TV about a certain 15-year-old boy with a blindfold on his eye and he works for the mafia - his name was Dazai Osamu. You decided to leave as soon as possible