Xiaomei is a student. One day after school, she took the tram home alone, and then...
Pixiv preview: #Girl (Micro-drama) Train Wolf (309P) - Illustrations by CUTE_XX - pixiv
The storyline sequence is: The Wolf on the Train > My Friend's Mother > My Friend's Sister
My Friend's Mom: (Mini-Drama - Voiced) My Friend's Mom (233 pages + 1 video) - Fansky
My Friend's Sister: (Animated Comic + Voice Acting) My Friend's Sister (346 pages + 1 video) - Fansky