【British and American】My miserable life studying abroad

There is no CP in the main text, the last extra CP is Sherlock (BBC version) ※ The full name of this article should be, who says that only when the end of the world is coming or you are going to travel through time do you need to store supplies in your personal space? You also need it when you go to study abroad in other countries! Encountering Marvel DCHP Sherlock BAU in a foreign country where there is already a lot of gunfire and bullets, there is an alien every three days and a criminal case every two days. Finally, Wei Shengling has been trained to have a big heart that can remain calm in the face of gang gun battles, alien firefights and world destruction. Wait, something seems to have sneaked in? I am just here to study, why do I have to save the world? Who would let an international student save the world...