Sentai Filmworks licenses HIMOUTO! UMARU-CHAN: HOUSTON, JULY 9, 2015 – Sentai Filmworks is proud to announce its latest acquisition, Himouto! Umaru-chan, as part of its Summer 2015 anime season lineup. Based on the original manga series by Sunkaku Head, the series reveals the secret life of 16-year-old Umaru, whose schoolmates believe to be beautiful, kind,