The "Himawari So" ("Sunflower House") is a group home for mentally underdeveloped adults. Manga artist Itpon Aijo (Naoto Takenaka) begins to work at the "Himawari So". He moves into the home with his daughter Mako (Shihori Kanjiya), who is mentally underdeveloped. Uyan (Takayuki Takuma) is a reside...