I really don't know. But creating such content is often against moral and legal norms and can cause harm to the original work and its audience.
It might be because of its explicit or inappropriate content that falls under the hentai category.
The manga's popularity stems from a combination of factors. The art style is appealing, the storylines are full of surprises, and it manages to connect with readers on an emotional level.
It could be that color was chosen for 'Nande Koko ni Sensei Ga' manga to give it a modern and vibrant look. Or perhaps it helps distinguish it from similar works and makes it more memorable for readers.
It's popular because of its unique storylines and interesting characters.
I think it might be part of the plot development or to add some unexpected elements to the story.
It's popular because of its unique story and interesting characters. The plot keeps you engaged and the art style is appealing.
It could be due to its unique storyline or the style of art. Maybe it offers something different that attracts people's attention.
Maybe it's to make the visuals more appealing and attract a wider audience.
It could be to attract a wider audience or to stand out from other manga. Sometimes, color is used to enhance the mood and atmosphere of the story.
It's a manga with adult-oriented and explicit content.