Plot
Three siblings are introduced to a younger brother they never knew they had.
Where to watch My Little Brother?
My Little Brother is a comedy movie featuring Lee Yo-won and directed by Ma Dae-yun.
My Little Brother is currently streaming for free (ad-supported) on Freevee, Plex, Plex Player, The Roku Channel and Tubi TV and it's also available on GuideDoc and Rakuten Viki.