"I will save you by any means necessary!" The "G-Class" is a group of hopeless dropouts who have completely lost motivation under the pressure of their great fathers. Sent to help them are five super sexy, highly skilled professional female teachers!? To the male students whose sore spots were poked—"Your father is such a distinguished doctor, yet..."—the teachers launch a special erotic guidance of deep and passionate love! Starting with kisses right after arriving at school, they don't stop even during lunch break! From catching them skipping in the gym warehouse to after-school sessions and even surprise guidance at their homes, the relentless continuous approach rapidly reboots the boys' hearts and bodies into full erection! "I'm... so sleepy..." "I haven't slept in two days either!" For the boys working hard studying all night, the night before the test features a limit-breaking orgy lesson with all 10 people mingling together! With excitement and adrenaline blowing away their sleepiness, they take on the exam at their highest tension! "Can you beat your past self!?" "I will!" Unstoppable heart-pounding! Unrelenting full erections! The boys are reborn and brilliantly awakened by these overly stimulating days!! And so, the teachers set off to find and rescue new dropouts...