There is no Chinese-Japanese relation, because you cannot leave the US out of the discussion, not after WWII. In fact, what the Japanese think about us is pretty much irrelevant because pro-China [0] government officials die before they can actually do something, at relatively the same time [1] [2].

[0] https://en.wikipedia.org/wiki/China%E2%80%93Japan%E2%80%93So...

[1] https://en.wikipedia.org/wiki/Shinichi_Nishimiya

[2] https://en.wikipedia.org/wiki/Tadahiro_Matsushita