An Internet troll accidentally traveled to the only son of a film and television company boss, and met a popular young man who he once hated and used bad words to complain about, and a series of happy and sad stories happened with him.
First rude and then loyal dog time travel attack x tsundere and awkward wife unlucky guy gets fucked
Possibly BE
The tears, laughter, joys and sorrows for the rest of my life have been given to you, and I have no regrets.