GOS01 - Oshioki no Kyouiku Jikan ~Watashi, Kareshi no Tame ni Kyouiku o Ukemasu~

We finally started going out. I had finally achieved happiness, but a simple slip-up leads to that man blackmailing me. There's no going back... The shameful punishment enacted on my body at school during "class time" starts to escalate. I have no choice but to take the lessons to protect my boyfriend...