Kirin Toudou from The Asterisk War HD Wallpaper

An anime illustration shows Kirin Toudou, a young woman with purple eyes and long, light purple hair tied in twin tails, holding a sword. She wears a white school uniform with a pink tie and a blue emblem on her chest. The background features a hexagonal pattern and the title of the series, 'The Asterisk War'. Text on the left reads 'HAPPY BIRTHDAY KIRIN TOUDOU 1.1.1'.