Well, it's hard to say for sure. It could be inspired by real events but heavily fictionalized. Or it could be completely made up. Without more information, it's difficult to determine.
I don't know what kind of 'instruction manual' you're referring to because I don't have the relevant context information. If you can provide more information or clarify your question, I will try my best to answer.
Perhaps it's about an educational system with cruel instructional methods. In some old - fashioned schools, students were given very strict and almost cruel instructions on discipline and study. These students then carry those experiences as part of their life story. It could also be a story about a cult where members are given cruel instructions that they have to abide by for a lifetime, which is unfortunately a true story for some people.
In general, masturbation within a normal and moderate frequency can be considered a normal part of sexual development for boys. It can help relieve sexual tension. However, excessive masturbation may lead to some problems such as fatigue and reduced concentration.
It's purely fictional. The plot and characters of 'Cruel Instruction' are the imagination of the writers and not based on real events or people. The story was crafted to engage and thrill the audience with a made-up narrative.
Well, start by having a clear story idea in mind. Then, sketch out your characters and their designs. Also, pay attention to panel layout and composition for a good flow.
No, they are not appropriate. Such stories often involve vulgar and inappropriate content that goes against general moral and ethical standards in public and social settings.
The fourth level of the Great Development Technique was one of the requirements for cultivation in the《Mortal Cultivation》. The Great Development Technique's fourth level Superclass did not have any detailed content. However, from the relevant documents, it could be inferred that the fourth level of the Great Development Technique was related to the commonality of life and destiny, such as birth, aging, illness, and death, the convergence of karma, and the complexity of the world. It might involve the thought of life and death and the purification of the mortal world. Although the specific cultivation content was not mentioned, the fourth level of the Great Development Technique was likely a cultivation method that helped cultivators improve their spiritual sense and consolidate their state of mind.
While waiting for the TV series, he could also click on the link below to read the classic original work of " The Legend of Mortal Cultivation "!