She is a girl with excellent grades, modest personality, reserved and smiling face. Midori Aoi is a smiling girl who has been making a desperate effort to produce a "smiley face". Today, Midori is enjoying a blissful moment of smiling and being loved not only by the opposite sex but also by the same sex. The result of the recent examination was an unexpected mistake, and she has fallen far from her position. Midori is in a hurry to find a way out of this situation, but her opponent is her homeroom teacher, Izumi Kuwabara, who is rumored to be a slacker. However, the opponent is much tougher than she had imagined, and she unintentionally uses the following method...... This is Ms. Yoshimura, the teacher's fiancée, isn't it? What is playing on Midori's phone is a scene of his teacher's fiancée, Maho Yoshimura, having fun with multiple students. Midori is brought to a dangerous negotiation with Izumi's leaping hands and bare flesh...... Midori realizes her blunder when she feels the pain of a towering rod poking deep into her first bud and twisting it....... 
 
(Source: Getchu, translated)

The world of Sugar Daddies and schoolgirls trying to make a bit of extra cash on the side. This is what his step-daughter was getting into?! 
 
Time to teach her a lesson.

Once a bubbly and beloved girl at her school, after the divorce of her parents she started to become more of a delinquent...

A cool, overly serious and straight faced woman, Kisaragi Miyuki, gives off an unapproachable aura to her students. She is very stern, doesn’t take a joke well, and distances herself whenever possible. There is a rumor however that she is the complete opposite in her private life, and supposedly when not at school, she’s a clumsy airhead. This rumor catches the attention of one of her students, Miwa Itsuki, who has a problematic personality that gives him the desire to tease woman with faulty characters like his sensei. When he catches Miyuki shopping at the convenience store which he works part-time, he can’t hold back his sadistic tendencies any longer…

Two co-workers who met and fell in love at work end up becoming newlyweds and share a romantic evening together.
 
However, a new worker at the company is going to attempt to have some of the new bride for himself

A beautiful young girl, small and innocent, hiding behind her single mother. She is a career women with no boyfriend and a straight-forward outlook on life. They have a neighbor who is quite...obvious with his sexual escapades... She asks him to stop having such loud and obnoxious sex but can't help herself from finding out how good he is for herself...

Yoshizawa Kaede is the perfect student who waters the plants and greets the security guard everyday before going to class. The security guard, Hiragi, masturbates to pictures taken of her secretly everyday. She has a boyfriend who plays sports and a best friend named Nishino Youkou. One day she saw Youkou having rough sex with the new security staff, Kusuda. She stands then in shock when Kusuda pushes up behind her and grabs her…

Nanami and Sakura are best friends. Nanami is the elder sister who is strong-willed and dependable, while Sakura is the reserved, but lovely little girl, who has a mega bust that is disproportionate for her petite body. They are friends from school, but they also have a connection through their families. On her days off, Nanami goes for a drive with Sakura’s father, Shouhei, and he treats her like another daughter. This makes Nanami wish that he would marry to her mother, Kanako. That’s how much she trusts him.
 
That is until…
 
“What are you doing…?” In front of her isn’t the fun and nice uncle that she’s used to everyday, but a primal fiend who has no sense of logic as he rummages through Sakura’s room.
 
“You’re disgusting…”

Nur