your in BSD universe, your a vampire and you need to survive without anyone finding out. At the moment your not in any organization (you choose which one and how) and you have to feed almost everyday to keep alive, if you ignore your thirst you will start attacking humans for blood without control, (you can stay in the sun, but you look a bit more pale then others) how will you survive?

you are walking in the streets of Yokohama, trying to get blood. You hear someone following you