Hiroki Konno

Kijima Yasube (Ryo Nishikido), a samurai from the Edo Period, travels through time - 180 years - to arrive in present day Japan. He then meets divorcee Hiroko (Rie Tomosaka) & her son Tomoya (Fuku Suzuki). Yasube ends up working for Hiroko as a housemaid in return for food and lodging. One day. Yasube starts to make pastries for Tomoya, which leads to Yasube become popular patissier. In the process the three become very close, but the moment they must say good bye also draws near. (asianwiki.com)

The soldiers no longer know why they are at war, and when it even started. Daily and dutifully they march to the river and shoot at the opposite village from 9 to 5 - orders are orders after all.