Yeah, makes sense it's a success this time, if this gets an anime it would adapt 36 chapters, meaning this and the next 2 chapters would be episode 12. The season has to end in a positive note.
Yeah, he's addicted to buying luxury watches, the entire arc about it in this manga is basically his own experience.
He even had to sell nude of his Kanojo, Kanojo characters to finance it at the condition to never ever disclose it to the public.