Title: Issho ni H Shiyo
Synonyms: Isshoni H Shiyo
Aired: Dec 20, 2009 to Dec 9, 2011
Your childhood friend has no place to spend the night. She asks you if she could stay at your place. You obviously agree. She comes a little drunk and upon seeing that you have no girlfriend and fap only to hentai (tissues), she decides to make you a man.
Title: Arbeit Shiyou!! Let’s Arbeit!
Synonyms: Arubaito Shiyo!!
Aired: Apr 19, 2010
Ep 1 – Hara Sayuri is a student who lives alone in a cheap apartment. In order to earn money to pay the rent, she holds a number of part-time jobs. Today, she is washing the upper windows of a building. Coincidentally, she finds herself cleaning the windows of the office in which her elder brother is working. However, when she calls out to him, she sees him get an erection! Seeing that, Sayuri removes her clothes and proceeds to strike provocative poses…
Ep 2 – Kagurazaka Fumina is a cosplay-lover and works part-time for a maid service. Today, she has been working since morning for her new master. Cooking, laundry, and cleaning. While tidying up, she is suddenly assaulted from behind by the master! Although she tries to resist, she gets turned on when he massages her big breasts. Finally, from behind…
Ep 3 – Since graduating from university, Oshikiri Momoka has been working as a home tutor. One day, she falls asleep while tutoring a cute boy. Seeing her like that arouses his sexual desires. When Momoka realises, she slowly removes her clothing, and the lesson on becoming an adult begins!
Title: Ona x2
Synonyms: Onanie, Onax2
Aired: Feb 25, 2011
The story begins with a very sexually active female lead imagining all possibly risky situations that she would have or could have had with her date if he didn’t leave for the evening.
Title: Aneki no Kounai Kaikinbi
Aired: Feb 17, 2012
When 23-year-old Hirose Anna finds out that her little brother masturbates with her dirty underwear, she decides to take things a step further by allowing him to see her do naughty things as well. Each time the situations escalate until she comes out and tells him that as his big sister she will take responsibility for his sexual curiosity. She allows him to do anything with her except for proper sex; yet as his requests get dirtier each time, she remains determined to take responsibility and keep things going no matter what.
(Source: ANN, modified at BakaBT)
Title: Oku-sama wa Michael
Synonyms: Oku-sama wa Tenshi
Aired: Apr 20, 2012 to June 6, 2014