Seikatsu Shuukan The Animation

Synopsis

Ane Taiken Shuukan
I'm an older brother who loves to masturbate to my younger sisters and get scolded by them all the time for it, then I got a mail with a link and thought it's an eroge from a brand I love. I got an error and blackout when opening the file, nothing can be done and I go to sleep, the next morning when I woke up I found my body shrunk and let out a shout. My younger sisters now older sisters come and found me, Aya older sister who got a shota complex hugs and pampers me.
Full lewd moments with my new older sisters, a one week "older sister experience".