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Kidnapper killed Yuju, even though they were ordered not to by Yuju's mom who hired them (?)
Yongju was killed by the monk-assassin dude because his hyung put the blame on him for betraying their boss. Although I am not sure if he was framed for Yujus murder too, seeing how police was at the door after the package was delivered at Gijus apt.
The main character committed suicide.
Blonde haired women is an imaginary character/ a manifestation of the main character's subconscious. She bears similarity to his bio mom. She appears only in Giju's imagination and this can be first proven when his adopted mom goes to the police station to check the footage from the apartment Yuju has been to. They mention Yuju, the PI, and Giju entering the apartment but no one else.
Uff I don't get anything that happened after yuju got kidnapped?
Who is the blond short haired woman?
How did jong du die?
Who did kill yuju?
Is the main character also dead?
What happened in general?
Please could somebody explain?