Heidi

Heidi (ハイディ Haidi) is a Gutenberg of Ink.

Heidi appears young for her age and when Myne met Heidi, she assumed Heidi had just come of age even though she is over 20 years old. She has reddish-brown hair that is tied into a single braid and twisted into a bun and grey eyes that are filled with curiosity.

Myne comments that she thinks Heidi is "funny and hard working, but kind of weird" to which Lutz replies "... You are one to talk". Benno also tells Lutz that he now has two Mynes to look after showing that everyone who knows both of them think they are alike.

Heidi focused on ink and is very curious to find out why the ink colour changes when making it rather than finding out how to make more colours.

While she is focused on discovering new ink, she does think about the future and her husband. This is shown when she asks her husband, Josef, to get his beruf certification once the work with coloured ink was completed. She hurried the research and worried about the research to lessen his burden and support him.

Heidi is the daughter of an ink maker, Bierce, and joined his ink workshop when she was baptised. During her apprenticeship another apprentice was told to look after for her. This apprentice was Josef who ended up marrying her.

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Bierce is Heidi's father.

Josef is Heidi's husband. Heidi is well aware of her own limitations, and supports and listens to her husband, doing her best to help him get a beruf certification so that he can become a foreman in place of her.

Myne is Heidi's patron. She also gave her research money, asking for the development of colored ink, and then gave them a title: Gutenberg.

Lady Rozemyne is Heidi's patron, picking up where Myne left off.


 * Miya Kazuki says that she wrote Heidi and Josef imagining what might have been between Myne and Lutz if Myne didn't have the devouring.
 * Due to Heidi's exuberance, she is not allowed to interact with customers.
 * She is jealous that the leherls could eat where Bierce wouldn't watch them constantly.
 * Heidi is the only person receiving the title of Gutenberg who openly expressed happiness about being bestowed with it, jumping with joy.