Please! Freeze! Please! After-School Sex Ed

Tsukami and Idabashi have enjoyed having Mayumura all to themselves in the library, but what will happen when quiet observer Hayakawa wants in on their group of friends with benefits?! (Source: J18) Note: contains the one-shots: Please! Freeze! Please! Sono Saki E (Please!Freeze!Please! その先へ); COMIC