Umetaro, an apprentice in the club's black uniform, has a crush on Takeuchi, the young boss of the Uematsu clan.
He failed the university entrance exam and lost sight of his dreams.
He is the coolest and most beautiful person in the world.
However, Takeuchi treats Umetaro like a younger brother and loves him, but he is far from being in love with him...

Then one day, they mess up while walking Pero, the boss's dog!
The gang leader is furious and throws them into a love hotel.
The gang leader throws them into a love hotel and orders them to have sex with Takeuchi.
Takeuchi, who is a manly man, offers his ass to Umetaro, but Umetaro's affectionate caresses make him fall in love with Takeuchi.
But Umetaro's affectionate caresses make him fall madly in love with Takeuchi.

A doting BL between a devoted young doggy and a naturally handsome yakuza!
(originally from Amazon, translated with DeepL translator, unedited)