OBA-314 The landlady who teases us to no end, Michika Yagi

I am currently a second-year repeat student at a cram school. I aimed to pass the exams on my own, but ultimately failed and ended up moving to Tokyo to live in a boarding house. In this boarding house, there is an unspoken rule that only those chosen by the manager, Obasan Michika, can participate in the late-night special lectures. Although the content of the lectures is known only to those who participate, just imagining being alone with the big-breasted Obasan Michika for a lecture makes me feel like I'm about to start bleeding from my nose. However, on the first day at the boarding house, contrary to my imagination, moans could be heard coming from the room where the lectures were taking place…