My hero academia -> Boku no Hero Academia

The bulk update request #92 has been approved by @DontTouchMyCogs.

create alias my_hero_academia -> boku_no_hero_academia

we have two tags for same thing

I manually made the change

This bulk update request is pending automatic rejection in 5 days.

The bulk update request #92 (forum #2487) has been approved by @DontTouchMyCogs.