What is the tone of poem Do I Remember by Joy Kogawa?

The tone of the poem "Do I Remember" by Joy Kogawa is bittersweet. The speaker remembers her childhood in Japan before World War II, and the happy memories she has of that time. However, she also remembers the discrimination and racism that she faced as a child of Japanese descent in Canada, and the hardships that her family endured during and after the war. The poem is full of nostalgia for the past, but it also acknowledges the pain and suffering that the speaker has experienced.