One idea could be to explore the backstories of the minor characters in more detail. For example, the character who only appears briefly in the original but has a really interesting look or a single line that makes you wonder about their past.
The 'jigokuraku light novel' is also known for its engaging plot. It weaves together elements of action, mystery, and drama. There are often unexpected twists and turns in the story that keep the readers on the edge of their seats. The pacing is well - managed, with a good balance between slower, more character - focused moments and fast - paced, action - packed sequences.
Begin by creating a basic outline. Decide on the main plot points, like who the protagonist will be, what their goal is, and what obstacles they'll face. For a jigokuraku fanfic, you might want to consider how the unique elements of the jigokuraku world will factor into your story. Then start writing the first chapter, introducing the setting and the main character. As you write, let your creativity flow and don't be afraid to deviate from your outline if a better idea comes along.
You might try some popular streaming platforms like Netflix or Amazon Prime Video. They sometimes have foreign language films available with VOSTFR subtitles.
You might try looking on popular anime streaming platforms that offer French subtitles or dubbed versions. Some examples could be Crunchyroll or Funimation.
The reason the cartoon kid is screaming might be that they are playing a game and got really excited. Another possibility is that they are in a dangerous situation and are trying to call for help.