I don't like the ending. It's sounded like a deja vu. The collisions seemed the same.
And the way Yoon takes over the management of SY looked like very easy peasy. Everyone (Mr. Oh, Doo Joon's mom)helped him deliberately which sounds rather 'unbelievable' . 🤔 Don't forget that Yoon took part of the murder of Doo Joon