What is the perfect ending to a Tokyo love story?

There is a standard ending and two extra endings, but these three endings are consistent in that Wanji and Lixiang are not together in the end.

Standard ending: Some time later, the married Wanzhi and Satomi were walking on the streets of Tokyo. Inadvertently, Wanzhi seemed to see Lixiang passing by in a hurry, looking thoughtfully at the crowded street. , Satomi asked Wanzhi, Wanzhi smiled and passed, and the two of them went against Lixiang and disappeared into the sea of ??people.

Extra Ending 1: The married Wanzhi and Rimi met Rika on the streets of Tokyo. Rimi left with an excuse. Wanji and Rika had a conversation and finally said goodbye. Once again, the two met and never looked back. This time Wan Zhi turned around, but Li Xiang left without looking back.

Extra Ending 2: Many years later, Lixiang, who had a successful career, returned to Tokyo from a business trip and stayed in a hotel. After chatting with others, she stared out the window thoughtfully, thinking. (There is no translation, so I can only YY myself).