Meeting in Toilet, Infirmary, and Maid Paradise

When rushing to the school toilets, Shiki accidentally bumps into Suzuran, who brings him into the ladies restroom and has sex. Later that day, Shiki ends up having group sex with Midori and Suzuran in the infirmary, when Midori insists that Shiki break up with Suzuran (though this is a misunderstanding), and in return Shiki can do whatever he wants to Midori.