Episode 1-2 - Otonari no Hitozuma Hen 
Due to family circumstances, a student and his family moved into an apartment where he developed a sexual attraction to his married neighbor Hitomi Rinmuro. The student couldn't help but jerk off thinking of her countless times and started collecting porn magazines about housewives. The day after he saw Hitomi undress behind the curtains, Hitomi told him that she found out what he was doing and unexpectedly proposed to be sex friends. 
 
Episode 3-5 - Beit Saki no JK Hen 
Saki, an aggressive blond girl, and Koharu, a timid bobbed girl with huge breasts, are two schoolgirls who come to hang out in the room of their part-time job buddies at the same coffee shop. She is curious about the body of the opposite sex, and seduces her hero and the two start having sex in front of Koharu's eyes. From that day on, a strange relationship begins in which Koharu, who is timid and can't say she wants to have sex, stares at the two of them having sex. 
 
Episode 6 - Anzangata Oshiri no Hitozuma Hen 
A virgin student who started living alone plucks up some courage and hits on a married woman who always passes by and to his suprise.. he actually succeeds in bringing her home?! However, he couldn't get himself to push down the woman and was fidgeting, so the married woman took matters into her own hands...

[Wiki (jp)](https://ja.wikipedia.org/wiki/水瀬沙季)

She is a voice actress, she was previously affiliated with Pro-Fit.

The protagonist is a virgin living alone in an apartment complex. Awww... poor guy. Or not? Lucky for him there's a hot lady living nearby, and when he encounters her, booyah! Gotta take a gawk at her booty! Those soft swaying titties too. It's like candy for the eyes. 
Sure, she may be married, but damn she looks good in jeans... and that delicious fragrance coming from her is enough to drive a man wild. 
Now, the hero must ask himself... 
"Hey you... you now know there's a super hot lady nearby...! And y'know, you're now finally living alone at your own place, right...? So, like... you're juust hoping to encounter her? To get the chance to pass by and gawk...? Are you sure that's all you want!? REALLY?? Nothing more?... Yeah, thought so." 
Young man! Set forth and conquer. Muster up the courage to make her yours!! 
 
(Source: DLsite English)

Ai