Umaru Doma, a seemingly perfect student, harbors a secret life where she transforms into a lazy otaku in a hamster hoodie, indulging in snacks at home. Amidst her quirky routines, her bond with classmates Nana Ebina, Kirie Motoba, and Sylphinford Tachibana strengthens, unraveling a series of intriguing events. As mysteries surface, like Nana's request to Umaru's brother Taihei and the enigmatic girl with a diamond hairpin who recognizes Umaru, the plot thickens. Delve into the revelations and connections in the captivating sequel, Himouto! Umaru-chan R!