Mother
mother (original)
Yasuko Matsuyuki plays the part of Nao Suzuhara, an elementary school teacher. When she realizes that one of the female students is receiving abuse from her mother, Nao's maternal instincts kick in, and she impulsively decides to bring the girl into her own care. Serving as a substitute mother, Nao takes the child on a trip from Hokkaido to Tokyo, and the two experience various events together along the way.
Starring Yasuko Matsuyuki, Koji Yamamoto, Kōji Yamamoto, Wakana Sakai, Kana Kurashina, Mana Ashida, Go Ayano, Machiko Ono, Takuma Otoo, Yûko Tanaka
Watch "Mother" on Rakuten Viki released in 2010. It's a drama and family show, and has a rating of 8.4 out of 10 from Imdb which is very high for this kind of show, and is currently available to watch for free.