The difficult-to-read kanji is a general term for kanji characters that are difficult for the average person to read because they are out of the table, such as the kanji lesson, or because there are kanji and national characters outside the relevant kanji.
I tried to compose such obfuscated kanji in a four-choice quiz format in the genres of plants, fruits, vegetables, seafood, and animals.
Please set a challenge with 10 questions per title.
Thinking can lead to brain activation.
Please use it for brain training and prevention of dementia.