Kotonoha explains they work in Information science researching Human, Social and Natural science and attempting to explain those using mathematics. Unfortunately their advisor, Ena Ibarada, never does research and plays games all day. It is Yukimura’s turn to have his heart rate measured but he tries to flee before embarrassing data can be collected, so Kotonoha and Himuro tie him up. After stroking Himuro’s hair Yukimura’s heart rate rises significantly...