|Age||around 16 - 17|
|Height||164 cm (5'4")|
|Anime Debut||Episode 16|
|Japanese Voice||Kotori Koiwai|
|English Voice||Amanda C. Miller|
She seems easygoing and friendly. She is especially nice towards Ryūji, and calls him "Ryū-chan". The two are childhood friends, and she even embarrasses him by mentioning that he was in love with her and asked her to marry him.
Mephisto Trial arcEdit
When the Kurikara is broken after Rin's fight with Amaimon in the forest, the group travels to Kyoto where Yoshikuni is. She fixes Rin's sword, and then the class returns it in the nick of time for Rin to defeat Amaimon who came rampaging in the Vatican.
Powers & AbilitiesEdit
She is a very skilled blacksmith, and was able to fix the Demon sword.
Upon seeing him back, she gives him a hug, much to his annoyance. Yoshikuni calls him "Ryū-chan".
- According to Izumo, it is rare to find a female black smith. However, Yoshikuni states that it has happened before, and so is not as rare as she thinks it is.
- "Even if I went there, I wouldn't be able to help them at all. I have to do what I can do. Gods of Forge, please protect Ryu and his friends."