I'm not sure. It could be based on real events, but it might also be fictional. You'd have to do some research or check the author's notes to know for sure.
As I don't know the details of the 'filosofi kopi' novel, I can't say for sure. But given the name, themes could potentially include coffee culture and philosophy.
The 'filosofi kopi' might be a relatively unknown novel to me. However, generally, a synopsis would include the main characters, the central conflict or theme, and perhaps a bit about the setting. Without having read it, it's hard to be more precise.
The main features of lapiz de caricatura include a comfortable grip, a wide range of lead hardness options, and the capacity to create both fine details and broad strokes. It's designed to help artists bring their caricature ideas to life with ease and precision.
X-Men and Xorn have a complex connection. Xorn was introduced as a mutant with unique powers and had interactions with the X-Men team, sometimes as an ally and sometimes with hidden agendas.
The humor might come from the expression on the dude's face or the unexpected event indicated by the calendar. It could also be a commentary on the passage of time and our reactions to it.