There's a character on the skirt? Is it Chinese?

No, no! That stands for "oshi"...

Well in this case it simply refers to who one "likes". That's more or less what the kanji is used for

He~h!

Ah!

Digital-chan, you said that about me as well!

"Urara-san is my one true oshi!"

That must mean you "like" me!

Wah~

Eh, ah... y-yes... that's right...

To hear it from the one herself...

I'm so happy! I also consider you my "oshi"!

Huh...? Your appearance somehow changed

Digi-tan, who became an undead after transcending a noble death