|Japanese Name||七海 やちよ (Nanami Yachiyo)|
|Voiced by||Japanese: Sora Amamiya|
Yachiyo Nanami is the one of the original characters of the 2017 mobile game Puella Magi Madoka Magica Side Story: Magia Record
- Eye colour: Blue
- Hair colour: Blue
- Soul Gem: Blue crescent moon hanging from her necklace
- Weapon: Spear
- Witch form: (Name Unknown)
- School: Name of school is unknown, however it is confirmed she is a university student.
A magical girl with seven years-experience of fighting alone, without any teammates at Kamihama. She’s now collecting info about "rumors" in this city. “If you’re disgusted by this job, just stop it. Living as a magical girl is very tough.”
- The characters in her last name mean "seven" (七) and "ocean" (海), respectively.
Doppel of Ticket-ripping. Its form is a ticket clipper. This doppel's nature is Ticket-Ripping. When Yachiyo's soul gem grows dark, both her arms and left leg change to this form. Due to the reduction of emotional instability compared to adolescent girls, Doppels whose summoner's are long-lived or old in age as a magical girl sometimes can't separate from the magical girl's body but become fused with its owner.