Tess Heitzmann is a character in the game Atelier Sophie: The Alchemist of the Mysterious Book. A Café Shop Assistant, Though she always acts innocent and cheerful, she is actually a very hardworking person. On specific days of the week, she attracts customers into the café.
- She's willing to go on a date with anyone who has the date ticket, including Sophie Neuenmuller. She then convinced Sophie to have a really fun date with her and was relieved and at ease when she obtained the date ticket from Sophie, who had done her best to to save up those vouchers.
- She'll welcome Sophie anytime, and knew all along that, she could see that deep inside Sophie's eyes, there was a burning desire for Tess.
- She told Sophie to never underestimate Tess' s charm.
- In the middle of her date with Sophie, while they were enjoying eating a crepe together, she said she'd go on a date with Sophie, but Tess was the one who ended up satisfied.
- After Sophie said some sort of flirtation to Tess, that she's happy just seeing Tess' s smile, she had realized that Sophie was trying to put moves on her.