Ambiguous tag. The word umi no mokuzu (海の藻屑) literally means "dust of seaweed", which is a metaphor for "drown at sea".
For the artist formerly tagged here, see Umino Mokuzu (Shizumisou).
For a character from Satougashi No Dangan Wa Uchinukenai, see Umino Mokuzu (Satougashi).
For some other potential artists named umino_mokuzu: umino_mokuzu_* search | *_umino_mokuzu search
For some other characters named umino_mokuzu: umino_mokuzu_* | *_umino_mokuzu
For some copyrights named umino_mokuzu: umino_mokuzu_* | *_umino_mokuzu