How Not to Summon a Demon Lord actresses Azumi Waki, Yū Serizawa, Yumi Hara, Rumi Okubo, and Emiri Katō, and the ending theme, , is performed by Serizawa and produced by HoneyWorks. The series ran for 12 episodes. The light novels had over 1 million copies in print as of March 2018. How Not to Summon a Demon Lord Takuma Sakamoto is a hikikomori gamer who is mysteriously transported to the world of his favourite MMORPG, "Cross Reverie", with the appearance of his own character in the game, the Demon Lord Diablo. The two young girls who summoned him, the pantherian Rem and the elf Shera, attempt
How many angels can dance on the head of a pin? about how many could perch at the same time on the head of a pin"". Dorothy L. Sayers argued that the question was "simply a debating exercise" and that the answer "usually adjudged correct" was stated as, "Angels are pure intelligences, not material, but limited, so that they have location in space, but not extension." Sayers compares the question to that of how many people's thoughts can be concentrated upon a particular pin at the same time. She concludes that infinitely many angels can be located on the head of a pin, since they do not occupy any space there: