"informant" blackmail expert student x gay music teacher x corporate heir student
-teacher has a crush on heir student and is blackmailed by informant student
-informant student rapes teacher and ends up developing feelings
-decides to blackmail heir student, who has a crush on teacher
-ends up not wanting to give teacher up, heir student loses it a little, teacher runs away
-come together in the end as 3p
Sankaku Opera