Abiru Junjou
First-year high school student Yuka happens to see his amazingly handsome neighbor kissing another man. However, he learns that the handsome neighbor is his math teacher. Having fallen in love at first sight, Yuka struggles to attract Gotou's attention, but Gotou restrains him with an, "I have no interest in kids." Also contains a oneshot called Kabuki machi no Otoko (The Man from Kabuki City).
Neji no Kaiten
Ryu is sleeping with his college professor, but doesn't feel loved, so he decides to kidnap his professor's son, Hayato, out of revenge. As it turns out, Hayato's relationship with his father is not very good, so he winds up living with Ryu. Nezi No Kaiten EX - Sequel http://www.mangago.me/read-manga/6mm_no_taboo/mrs/manga/6mm-no-taboo/v-1/6
Gravity Eyes
Spin-off of Tsumasaki ni Kiss After his relationship with Homura ended, Kyouya left his job as a host to go to college. Kyouya, who still cares for Homura, is attracted to his boss at his part-time job because he reminds him of his lost love. However, the person he thinks of most isn’t Homura or his boss. It’s Kiriya, a professor Kyouya met by chance when he was looking for a home for two abandoned kittens. Almost against his will, Kyouya feels drawn to the cold and arrogant Kiriya.
Ochiru Seija no Seppun
Okano-sensei, a high school teacher, was sexually molested by a pervert in the train on the way to school. As fate would have it, his student, Tokiwa, witnessed the whole incident. He then threatened to expose Okano for having a fetish of being groped by a man unless Okano agreed to be Tokiwa’s sex slave! In shame, Okano succumbed to the pleasure only Tokiwa could provide…
Hug Kiss Akushu