The official Made in Abyss anime announcement stated that the theatrical film "Made in Abyss: Dawn of the Deep Soul" has been reviewed by the Eirin (Japanese Film Classification and Rating Organization) and assigned a G rating. The G rating imposes no age restrictions, allowing anyone to watch.
The officials also listed the ratings for several existing entries in the series: "Made in Abyss: Journey's Dawn" is rated G, "Made in Abyss: Wandering Twilight" is PG12, "Made in Abyss: Dawn of the Deep Soul" is R15+, and "Made in Abyss: The Golden City of the Scorching Sun" is G.
In this system, PG12 indicates that viewers under 12 require parental guidance and supervision, while R15+ restricts viewing to audiences aged 15 and older. "Made in Abyss: Dawn of the Deep Soul" has received a G rating, meaning there are no age restrictions for viewing.