Yakuza/Mafia

(Stepbro)
When his mother dies in a sudden accident on a honeymoon after her remarriage, the destitute host, Tatsumi, has no idea that her new husband had been the oyabun of a yakuza gang. But while Tatsumi continues to refuse to accept his inheritance, the new leader of the gang, and Tatsumi's step-brother, Yoshimune, appears. He welcomes Tatsumi into the family by force. Gradually, while living with Yoshimune who won't leave him alone for some reason

5)Kyosuke finally met aganin his brother fgure Naruse after 5 years.Naruse after fail in life & journalism return to find job at his old town & Kyosuke working as debt collector for yakuza.Pleadng to his boss for Kyosuke to work as their deliveryman,using the bike Kyo pride off,he turn new leaf. But so many obstical along the way

Ch4) When Masamune father bring a young Jin back at their turf, young Masamune declare to give Jin to him and that surprise Jin to have someone want him strongly.But Masamune father say you have to be stronger if you want Jin,and years latter Masamune rise up to in status,and Jin protect him as bodyguard.

Ch5) (Side story Ch 4) Shuuhei is bully by some punks in a public toilet only to coincidently save by Asami. Move by Asami perching that Shuuhei should not easily give up in life, Shuuhei ask

Chap 3-4) (Side story) Tsuji has been con by his old friend to be a co-signer to a loan 100k,when he disapired,he alone working day and night to pay the amount that he exhaust himself.The deb-collector,Narumi,feel pity and touch by his action,slowly fall for him.But when the last and finnal payment,Tsuji refuse to pay by lying to give him time so he can buy time longer,as Tsuji,aware he falls for Narumi,hard

Chap1-4) a guy who was firstly working as a bartender in a host house because he has some debts. Then a mafia man who liked the boy, payed off his debt and put him to work for him in a bar. Then they have some problems with another mafia gang and the uke got his arm injured. After that eh had to close the bar and stay in a hotel to avoid further problems.
Chp5.Page 18)(Extra story chp4)

1)Tadayoedo Shizumazu, Saredo Naki mo Sezu
2 Don't Stay Gold - Side Story
3 Saezuru Tori wa Habatakanai

Story whn they are adult, Yashiro as Yakuza and Kageyama as doctor for Yakuza

1)Tadayoedo Shizumazu, Saredo Naki mo Sezu
2) Don't Stay Gold - Side Story
3) Saezuru Tori wa Habatakanai

(Kageyama x Kuga)

A Yakuza boss really wants this "Mad Dog" fighter he found to work for him, but the "Mad Dog" isn't too keen on the idea, even though he owes a debt. After being injured and refusing to go with the boss, the "Mad Dog" winds up staying with the doctor

Timeline
1 Takaga Koi daro
2 Aiso Tsukashi - Spin-Off [Story of Yakuza Bro-in-law]

about a guy that went to prison and then got out and chose to leave the yakuza. He then meets another guy that was in prison with him who was the prison bosses lover. In the end they get together. Also they have a pet cat

Uke has lost his memory and he is staying with a blonde hair yakuza guy with glasses. The seme(yakuza guy) is very protective over the uke and never lets him go out since some people are looking for him. Seme has a follower looking after the uke, making sure that he is always at home. I think the uke turns out to be the yakuza leader in the end

The city of Tokyo is split between two mafia groups: The Dragon Head and The King Caesar organization. Due to a certain incident, the protagonist JJ, a well-known professional assassin, is framed and thus abandons his title, going into hiding — but more problems come his way