From top: nose ム (a nose in side view), big 大, hairy 彡 (Originally this was the image of a kneeling woman 女 = くノ一 with long hair 彡 (possibly with hairpins 八 ?), with the meaning: beautiful)
Mnemonic
Where the kneeling woman ム with the big hair is, I would like to participate.
The app has many other functions, such as character selection according to difficulty, practice programs, handwriting recognition and success statistics!