Arima Kouichi

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The school's got a legendary problem student, Yuri Takanashi, and it's up to newbie teacher Nozomi Yamane to set her straight! The only problem is... he's a total push-over. And now Yuri's shown up to her guidance meeting with a lesson plan of her own for this virgin teacher!..

Yuu spent several years wishing he had an older sibling, and he thought he got his wish when his mother married a man with a daughter. Dreams don’t always come true, though. His sister Nagisa is an absolute terror, and he starts to believe that’s just how older girls are. Nagisa’s friends are about ..

Yuu has just had a wild time with his stepsister Nagisa’s two best friends, but Nagisa is upset that he thinks they’re nicer than her just because they had sex with him. She’s going to prove that she can be every bit as nice if she chooses to be...

Itsuki lives in a big house all on his own. One day, a foreign girl starts living at his house and things get steamy in the bathroom. Itsuki's childhood friend catches them in the act, and to Itsuki's surprise, she joins in on the fun!..

Yuuta and Akane have the house all to themselves with the parents away on business. Akane's been a little too relaxed when hanging around the house and it's driving Yuuta wild. When it gets to be too much, he decides to take a chance and make a move!..

A P.E. coach is shocked when the cool, composed swimmer Tsukishima approaches him requesting he teach her all he knows about sex. Despite her antisocial leanings, she turns out to be an eager student and a fast learner when it comes to the art of lovemaking!..

As summer break starts to wrap up, school life is gradually returning to normal. Tsukishima, on the other hand, is still insatiable, and her physical relationship with Hayama continues. When he gets asked out to dinner by his cute coworker, he enthusiastically accepts, only to have Tsukishima show u..

Class is back in session, and Hayama hoped it’d bring some respite from Tsukishima’s bottomless appetite for sex, but she’s still making daily booty calls in the middle of the school day – and getting possessive if he so much as looks at other girls. He’s sick of being walked all over, but fears tha..

Coach Hayama thought he would be safe from sex on a class trip, but Tsukishima had other plans. A late night visit to his inn room, that is. And she intends to get him to make up for the whole month he's been ignoring her!..