Land of the Lustrous (2017) Parents Guide: Is the series OK for kids?

Infrequent scenes show the Gems, who have androgynous, smooth bodies, in natural nudity when sleeping or preparing to swim. These scenes are non-sexualized and usually from a distance, with only bare buttocks briefly visible. One brief, non-explicit scene jokingly refers to a character's 'water jugs' (breasts).

The series features frequent fantasy violence between the Gems and Lunarians. This often involves characters being struck, shattered, or losing limbs, sometimes in graphic but bloodless detail as pieces of their hard, crystalline bodies break off. While stylized, these moments are central to the plot and can be intense due to their recurring nature and the implications of permanent damage or 'death' for the Gems. Battles involve energy blasts and sword fighting, resulting in characters being taken or incapacitated.

Mild coarse language, such as 'damn,' can be heard infrequently in the English subtitles.

There is no use of illegal drugs or alcohol among the mineral-based characters. The dialogue focuses entirely on the existential struggle for survival and the philosophy of their eternal life. Some characters may discuss medicinal applications for repairing their bodies, but no recreational substances are present.

Prominent themes include the existential struggle for identity, as Phos undergoes repeated physical transformations that alter their personality and memories. The ongoing war with the Lunarians introduces themes of loss, sacrifice, and the trauma of seeing comrades broken apart and abducted. Concepts of purpose, memory, and the search for truth also drive the narrative.