An autograph is something an idol will give to her fans. Each idol has a unique autograph. They can often be found on official merchandise or signed live.
List of Autographs
Star Harmony Academy
Hiragana writing of her full name, "ゆうきあいね", with the "yu" in her surname is drawn as a treble clef with a smiley face inside it. The "i" in her first name is drawn inside "a" acting as eyes and "ne" ends with an eighth note.
Romaji sharp-stroke writing of "Mio", with the dot in the letter "i" is drawn as a star, with the name underlined that ends into a star.
Romaji cursive writing of "Maika", with the extended line from the dot of the "i" acting as the left antenna of a butterfly, and the "k" drawn in the shape of the right antenna, body and wings of a butterfly.
Romaji bubbly writing of "Ema", with the "e" drawn like a bear head, the ears extending into pigtails that refers to Ema's own.
Romaji cursive writing of "Sakuya", with the top half of the "S" drawn in the image of a waning crescent.
Hiragana writing of her first name "かぐや" in a near-horizontal manner. A waxing crescent is drawn beside the name.
Kanji and hiragana writing of her full name in the vertical manner.
Romaji cursive writing of her full name in an elegant style. Two snowflakes are drawn above and the last letter of her last name extends a line to a small twirl acting as an icy wind.
Hiragana writing of her first name "わかば" in a cute style, with the first stroke of "わ" drawn as a sprout and a winking face inside it. Three strokes beside the letter "wa" are drawn acting as a wind.
Love Me Tear
Kanji and katakana writing of "神城カレン" in a vertical manner, with a stroke in "shiro" extended and ending in a heart, along with the "n" drawn as an angel wing.
Romaji block writing of "Mirai' in a vertical manner, with the "a" drawn as a funny face.
Romaji cursive writing of "Marin", with the "M" drawn in the image of a seagull and the dot in the letter "i" is drawn as a heart.
Cursive kanji and katakana writing of her full name.