Be Sure to Share (ちゃんと伝える, Chanto Tsutaeru) is a 2009 Japanese film written & directed by Sion Sono. It screened at the 2009 New York Asian Film Festival.
Shiro’s struggle with his father’s cancer and impending death leads to a realization that he must communicate his love and admiration for him before it’s too late. A series of flashbacks reveals their relationship over time, and the trouble Shiro faced connecting to his strict father who was also his teacher and soccer coach. With a consuming secret of his own, Shiro, now in his late 20s and about to get engaged, must eventually learn how to share it with his loved ones.