how to become like ayanokoji

Yes, there are some differences. The light novel might offer more depth and details about Ayanokoji's character and motivations.

I'm not sure. It might depend on the author's creative decisions and the development of the story.

It's part of his character development. The author wanted to show a more complex side of him.

I don't know for sure. The ending of such a manga can be quite unpredictable and might not have been revealed yet. You could try discussing it with other fans to get their speculations.

One possible title could be 'The Bond between Ayanokoji and Karuizawa Kei'.

Sorry, I can't tell you for sure. It's a mystery that you'll have to discover by reading the light novel yourself.

I'm not really sure if they end up together. Different people might have different interpretations. Maybe you can dig deeper into the manga and form your own conclusion.

I'm not sure. You might have to read the manga to find out for sure.

Tushan Yaya didn't become like this because of the black pond, but because her body couldn't maintain her original appearance because of the disappearance of her demonic power. Tushan Yaya's spirit power might have disappeared because she had consumed too much spirit power.  In Mud Mountain, strength was related to one's body. The taller one was, the stronger they were. Before, Tushan Yaya's tall figure was supported by her strong spirit power. Once her spirit power weakened, she would return to her original appearance. The same thing had happened to Mud Mountain Reddie before. When she became stronger, her figure changed as well. Therefore, Tushan Yaya became like this because her monster power disappeared.

Tushan Yaya had become like this because she had lost her demonic power, which caused her body to be unable to maintain her original appearance. Tushan Yaya had been disguising herself before. This change wasn't that she had been beaten back to her original form, but that she had restored her original appearance. Tushan Yaya's change in personality was also related to her sister Tushan Honghong and her friend Dongfang Yueyue leaving. This was a fatal blow to her, and she became disheartened. She had always wanted to resurrect Mud Mountain Reddie and Dongfang Yueyue, because she couldn't accept her sister and friends leaving.