Not only does Deku crying make him easier to relate to, it proves that showing emotion does not mean you cannot be a hero, which is an important lesson for viewers. My Hero Academia.

After the war’s end, Deku outright tells the vestiges of One For All, which includes Nana Shimura, Shigaraki’s grandmother, that he is not going to kill Tomura, because he believes the crying ...

My Hero Academia 424: Deku and Bakugo Reunite After the War My Hero Academia Chapter 424 confirms that the fight against All For One is indeed over as Deku’s final blow to the villain was enough ...

Toward the end of "My Hero Academia" Chapter 337, Deku states Aoyama is not crying because he failed to execute All For One's command but because he doesn't wish to backstab his friends.