Discover the best and most memorable episodes of My Big Sister Arrived, from fan favorites to critically acclaimed moments. Explore detailed ratings, episode summaries, and visualize how the show's quality evolved over time.
Tomoya’s father remarries to another woman, giving him a stepsister, Ichika. However Ichika is 17-years old and has completely fallen in love with her stepbrother who is only 13!! Families will collide in the most unusual fashion this season, in the new anime short: ONEE-CHAN GA KITA!
