comment expliquer la partie entière à un débutant

Well, 'un as bajo la manga' could translate to 'an item under the sleeve'. However, it's a bit of an odd phrase and the context could change the exact meaning. Maybe it's related to something being hidden or concealed in that area.

I have no idea about the story of 'la pecera de un beta' manhwa. You might want to check with people who are into manhwa or search for it on social media groups dedicated to manhwa discussions.

I think it might mean 'a ace under the sleeve' but I'm not sure. You might want to check with a proper dictionary or translator.

Micro-fiction is a literary form that presents the plot in the form of a short story. It usually has a concise and bright language style and a strong plot tension. If you want to comment on micronovels, You're Not A Leader, you can say: The leader in micronovels was usually a symbol of power, guidance, and leadership. As a non-leader author, the author expressed the protagonist's understanding and thoughts about power and leadership in this way. This way of expression made the story more profound and meaningful. Micro-fiction was a refined form of literature that required the author to use ingenious language and plot to convey his thoughts and emotions. As a non-leader, the protagonist needs to achieve success and growth through his own efforts and experiences. The theme of fighting spirit and self-transcendence is enlightening to the readers. 3. The plot of a micro-novel is often full of tension. In the process of reading, readers will constantly guess and think about the fate and ending of the protagonist. As a non-leader, the protagonist's actions and choices are more uncertain and challenging, and the conflict and suspense are more fascinating. In summary, the micro-novel You're Not a Leader expressed the protagonist's understanding and thinking about power and leadership through the description of the symbol of leadership. At the same time, it also stimulated the readers to think and explore the spirit of self-transcendence and struggle.

I'm not entirely sure what a 'butant farm butt fanfic' specifically is. It might be some very niche or made - up concept. It could potentially be a fan - created story (fanfic) related to a 'butant farm' in a very strange or creative way, but without more context it's hard to define precisely.