723NNG-004 This is the 4th installment of a school series that follows the naughty face and classes of a cute girl who loves to be licked. She's a sensitive and masochistic girl who talks embarrassedly about naughty things even though she's showing a smile.As a teacher, what I think is most important is the ambition to pursue naughty things. Serina-chan is full of talent!! There is a huge cock fellatio, there is a vaginal cum shot, and now is the time to enter the academy!