Yaoi - Yakuza List

During his middle school graduation, Izumi was shocked to found out that his fried Shin never wants to see him again. 12 years later single father of son Makoto, Izumi meets Shin once again at daycare who he did not recognize. Shin is an unmaried and childless adult who is only looking after his sisters child. Izumi managed a coffee shop that his yakuza brother in law, sawaragi gave him. Izumi and Sawaragi had a one night stand after his wife died during childbirth which he tries to forget. Thin

[One shot]
Yoshiaki is the son of a yakuza but he was not a part of that live since he grew up with his mother, living a normal life. That was until his father got diagnosed with cancer and ended up disbanding the group but before that he gave his son to another man who took in all the members who couldn't go straight but with the condition of having Yoshiaki.

Title is basically self explanatory. A yakuza picked up a small vampire. I don't know if this is a one shot or if it will continue.

This manga features the story of Haru, the owner of Brothel rain shown from mods
http://www.mangago.me/read-manga/mods/
Haru was a yakuza and in a relationship with the young master who died, thereafter, Haru quit and started a brothel. It has been 10 years since and his lovers younger brother shows up who looks like him.

The ookami clan are not only yakuza but also werewolves. The head of the clan has two sons, Hayato the eldest and Takao. This manga features Hayato since Takao had his own story where he found mutual love with his teacher (http://www.mangago.me/read-manga/hatsujou/).

Sugimori (27) is a normal company man who have been working at the same company for the past 6 years but he was attacked by a foreigner with a gun on his way home. However, this foreigner who actually comes from the past, works for the mafia and is confused about being in a different timeline but he quickly suggests about them living together while Sugimori can not say no.

Yama is the only son of the Serizawa groups head while shinobu is the caretaker and childhood friend of Yama. Yama is the type of person who gets excited by violence while Shinobu is always close by to protect and manage him but lately Yuma is interested in Shinobu.

Hajime woke up in a body bag and his entire body hurt but he lost his memory. The person who found him is named Harada who is a yakuza. According to Harada, he and Hajime were leaders of a yakuza group who was wiped out and the opposing group thought they killed Hajime. Also, Harada says he and Hajime are lovers.

While looking for a man who owes the Yakuza money, Minoru Godai (27), found a child (Fuutarou, 10) instead who was hiding in a cupboard. Minrou took Fuutarou in and raised him in the Godai family for the past 11 years. At 21, Fuutarou, has grown up and likes looking after Minoru (also in love with him) and wants to become a yakuza but Minoru forbids him walking down the wrong path.

Riu likes tying up his sex friends since he is a rope artist (person who ties up actors in porn) for work and gets dumped since he always chooses his job in the end. While working Riu received a call from one of his regulars, a yakuza boss, who needs Riu to house one of the youngsters, Natori. The person who showed up was just Riu's type.