Going to his teacher's house to study more, Takase not only absorbed a lot of good knowledge that she did not understand in class, she was also "gifted" to herself by the teacher his most "precious" thing.
A day at Higo-sensei's house is a very long time because Takase doesn't have a little rest, the main reason is that his teacher is in his 60s... not allowed. Cooking, helping the employees repair pipes, sweeping the house,... were jobs that Takase had to do instead of just doing homework, and those things were not Higo's ultimate goal.
What he wanted to do today was to take a shower together, to fuck his schoolgirl Takase's pussy after so many days of craving her body on the podium.
Of course, Takase couldn't refuse her teacher's excessive demands, she didn't want to be "".