Suutsu Wo Kita Akuma
President and his secretary. Greek half younger brother.
Anohito To Nitenai Kuchibiru
1. Kid is in love with the older boy next door, only to be heartbroken when his crush gets married, and then has a son of his own. The son looks exactly like the father, except for his lips. 2. Half brothers have sex on father's coffin. 3. Historical exorcist who has a kind spot for demons. 4. Half brothers from an abusive father find comfort in abusing each other. 5. The white snake and the black snake, brother in Yakuza and soul mates.
Masaka Kore ga Koi Nante
1. One night stand between coworkers sparks a love affair 2. step brothers find comfort in each other. 3. coffee shop worker and manager are lovers and have sex a little to much for the poor, worn out worker 4. Brotherly love taken to the next step 5. Roommates with several rules, make new ones to not wear each other out
Ore no Otouto no Honjitsu no Onedari
1. Freeter brother lives with his mangakata brother and occasionally helps out with ideas and modeling. One day the brother states he wants to have sex with his brother, for reference. 2. childhood friends and neighbors have started dating but the one only wants to use toys and not have sex. 3. Truck driver picks up a hitchhiker that reminds him of his childhood dog. The kid doesn't know what he wants for a job, but the driver helps him make a decision. So of course, he offers to pay back the favor with his body.
Ouji to Joujin