Sei Penalty Gakuen Goku
1. Sei Penalty Gakuen “Goku” (聖ペナルティ学園 "獄"); Comic Megastore 2008-07
The school Anzu is attending has a unique system: whoever breaks school regulations thrice is sent to the Punishment Room. There are separate rooms for girls and boys, but in either case, the punishment recieved is sexual in nature. Anzu was caught texting during class because her friend Ayame kept pestering her, so she, along with Ayame and a group of other girls, now has to service a bunch of high-achieving guys.
2. Kandahara-san Goranshin!! MAX (神田原さん御乱心!! MAX); Comic Megastore 2008-04
Kandahara is the head of the disciplinary committee. She is dedicated to making sure rules are followed but isn't as uptight as she appears. When she hears that clues about the undergroun circle, the one which has been setting up dates, have been found, she immediately rushes to the old gymnastics building with two other members. However, what they find is not just matchmaking but a wild orgy.
3. PM 03:40 Takuhai Hiyori. (PM03:40 宅配日和。); Comic Megastore 2008-02
Shouji delivers pizza at his uncle's place. After he is sent to one place with a cryptic parting words, he is confused. Then, when he arrives only to be recieved by one of his classmates in a maid uniform, things turn for the weird and his uncle's words start making a lot more sense.
4-5. Milky Shot! (ミルキーショットッ!); Comic Megastore 2007-09, 11
The newspapers club have a great way to obtain extra cash for their expenses: photograph and film people having sex on the school grounds, and then sell the tapes at a profit to cover the club's expenses Most of the members are quite hesitant to do this, but the chief, Izumi, is very enthusiastic.
6. Pink Chime after 5 (ピンクチャイム after5); Comic Megastore 2007-05
One class has a gratification duty, wherein the students are to satisfy the desires of their homeroom teacher, Rinko. Not only can she call those on duty regardless of their circumstances, but her lust is also insatiable. This has made all the boys in the class deeply worn out, so they have come seeking the girls' help. Thankfully, the chairmain has a plan for revenge.
7. Sorairo Natsuko Deep (空色夏娘Deep); Comic Megastore 2007-01
Amamiya hasn't become accustomed to the school she transferred to two months ago. While on a school trip in, she is approached by Fujisawa, a girl she admires for her outgoing personality. After a bit of talking, Fujisawa promises to show her how to get along with others quickly if she comes to the hotel lobby after lights out, However, the method she is about to be introduced to is something far from anything she could have expected.
8. Sokan's diary; Comic Megastore 2006-10
Toshiki has been going out with his younger sister, Sae, for half a year now, ever since she confessed to him. He has been attracted to her since before that, but he is conscious of the fact that they are siblings, and so they still haven't had sex. However, when they are caught by Sae's friend, she promises them to show them a good place.
