Tiese Shtolienen

Teiza Schtrinen (ティーゼ・シュトリーネン) is Eugeo's valet who learns swordsmanship under him. She along with Ronie are introduced in the Alicization Arc.

Background
She's the eldest daughter of a 6th Class Noble family, she entered the Sword Acamy as an intent to rise her family status. She's a valet because she's one of the top 12 of her year, but she states that it isn't because she's good, that it's because the test was about a Sacred Art that she was good at.

Alicization Running
She's introduced as Eugeo's valet, she just finished cleaning his room and it's ready to be dismissed along with Ronie when Kirito enters from the window and gives them a bag with honey pies and dismiss them by telling them to share it with their roomates.