Other examples include main characters in Anohana: The Flower We Saw That Day, Hayate the Combat Butler, Jeff Beckhaus' Hikkomori and the Rental Sister (2013); Denpa Onna to Seishun Otoko, Castaway on the Moon (2009), Chaos;Head (the lead character Takumi Nishijō), and Robotics;Notes (the character Frau Koujiro).