A mother raises two sons alone after her husband dies. A boy at a temple hides two buns to give them to a kind family, but snow falls and he doesn't know where they are... The Tengu of Mt. Kurama gives Ushiwakamaru his father's sword, and trains him to become a great samurai.
as he could for his mother 
because she would be alone now.
para sua mãe, já que ela
ficaria sozinha agora.