Plot
The Tomoya's Father get married again after his first wife (and Tomoya's biologic mother) past away. But with this, Tomoya gets a big sister named Ichika. And she, fall in love with her new little brother.
Where to watch My Big Sister Arrived?
My Big Sister Arrived is an anime show featuring Yu Kobayashi and created by Rikou Anzai.
My Big Sister Arrived is currently streaming on Crunchyroll and Crunchyroll Amazon Channel.