Then I will recommend the theatrical version I like very much (it doesn't take much time. )
Girl who travels through time and space: What the original author Yasutaka Tsutsui wants to convey should be that people should not escape from the future and be afraid of its unknowability, but should bravely meet it.
Xia Zhan: Let me see how charming diaosi with a skill is!
Because these two are so famous, I'm afraid you've seen them both.