Hotaro's history class is interrupted by an outburst coming from Eru's math class, prompting a discussion in the Classic Lit Club about the nature of the seven deadly sins, and what might provoke Eru to become angry.
Genres: Animation , Comedy , Mystery
Keywords: anime , art , based-on-light-novel , bukatsu , detective , high-school , japanese-high-school , literature , romance , school , school-club , school-life , slice-of-life , young-detective , watch-anime-series-online