Funny / Devils' Line

• The researchers at ONL, including Anzai's mother, are cheerfully upbeat and stunningly blunt about the applications of various "restraint" devices in human-devil sex, right down to two of the male researchers helpfully demonstrating the use of a purpose-built bed that would be a bondage enthusiast's dream come true. (One of the guys is a little too into it for the other one's comfort.) How Anzai and Tsukasa don't outright detonate from blushing is a mystery.