The Japanese publishing company, Shueisha that is publishing Shonen Jump launched a free online manga service "Manga Plus by Shueisha".
The service supports English/Spanish, and is available on iOS/Android/Web browser.
You can read most popular mangas in Japan such as "ONE PIECE", "My Hero Academia" and "Boruto" for free.
They even release the newest chapter of these titles on the same day they're released in Japan.
No more pirate sites for mangas! Just go to the website, or DL the app!