Perhaps the themes or characters weren't engaging enough. Maybe it was released at a time when there were many other popular manga stealing the spotlight. Or it might not have been available on popular platforms where people tend to discover new manga.
Well, usually it involves a lot of challenges and growth. The character starts from zero, gains skills and experiences, and overcomes various obstacles along the way.
It often involves a series of challenging adventures and lucky breaks. The character might encounter helpful mentors or discover hidden powers along the way.
Perhaps the story is set in a chaotic or dystopian world where memories are easily lost or manipulated. Or, it could be a plot device to make the character feel isolated and drive the story forward.
Well, often it's a combination of factors. They might have a strong determination, encounter mentors along the way, and make smart choices in difficult situations. Sometimes, they also have to overcome their own fears and limitations.
It usually involves a lot of challenges and personal growth. The character might encounter difficult situations and overcome them through determination and acquired skills.
Well, it might be that the story has some sort of mind-altering element that wipes people's memory of you. Or maybe it's a test for your character to overcome this lack of recognition and make a mark.
In manga, such a transformation typically occurs when the nobody has an unwavering spirit and a strong sense of justice. They might stumble upon a powerful artifact or receive training from a mysterious master. Along the journey, they make friends who support them and overcome numerous obstacles together.