Discipline Pt. 11: The Bible Study Group!
Note: This doesn't defame the Bible in any way. In fact, Otokowa is quite a fan of it. Hayami is not crazy about the Bible, but he thinks it would be good at putting him to sleep.
(Also a character decides to use sperm as sun tan lotion, but I can't show that scene in a thumbnail due to the large amount of exposed penises.)