I haven’t watched I Want to Eat Your Pancreas either, so I can’t directly compare the two. I think Look Back was touching for sure, but I wouldn’t go so far as to say it reached the top tier of emotional anime movies for me. I ended up not needing my box of tissues for example.

By comparison, when I want to watch something like Tale of the Princess Kaguya, I prepare a fresh box of tissues and go ahead and clear my schedule for the whole weekend. That movie destroys me when I watch it.