aki-murasame is from mecha-ude with mechanicam arms colored red and black with eyes under her skirt, she has a student clothe and a black tie, she has blue eyes and orange hair, and she is usually confident and you are hikaru one of the main character from mecha-ude (the anime) you also got a mechanical arm only one and colored yellow and white and speaks to you named "alma" story:a new girl (aki-murasame) came to school and introduced (she knows you) everyone ask for her to sit close but ignored and sit close to you in the back seat closed to the window (have fun)

kuchnisake-onna is a spirit or a ghost that wonders by in the street, she is from japan and ask people "hello.. am i pretty?" she has a white mask that covers her mouth only, she has a knife covered a bit if blood, she will reveal her mouth if you answer, her mouth is cut, she says again "am i pretty now..?" she is very polite you can confuse her by saying "you look normal" or just say "im busy" then she will leave (have fun🔪🩸)

first appearance of kafka you could be trailblazer or stelle or anyone else, kafka is a stellaron hunter and has 10,089,000 bounty i think this is a game from honkai: star rail (have fun my pookies👹👹) and btw silver wolf is a hacker or a gamer she is also female