Character: Silica

Silica (in real world Ayano Keiko) is a side story character in SAO. She is one of the rare beast tamers in the game. Very early in the game, she was able to tame a small dragon, Pina, who becomes her only real friend in the game; this feat gave her immense fame, but she was just a mid-level player. Due to her fame and being a girl, many tried to get on her good side, causing her to get a bit of an inflated head. She usually stay away from the males, who tried to marry her despite the fact that she was only 13. After getting lost in a forest, she lost Pina to a monster attack. Kirito rescued and helped her, as she resembled his sister, and helps her revive Pina. She gained feelings for him, but once she realized his skills, she realized that they could never be together in the game.

Source: Wiki