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Tsukasa Hiiragi (柊つかさ)Birthday: July 7th
Height: 157 cm (5'2'')
Lives in: Washimiya, Saitama Prefecture
Blood Type: B
Strong Subjects: Home economics
Disliked Subjects: PE
Hair Color: Light Purple
Eye Color: Purple-Blue
Likes: Strawberry Shortcakes, Sleep and Mobile Phones
Dislikes: Comiket, Waking Up, Horror films and Work
Tsukasa is the younger fraternal twin sister of Kagami and lives in a six-member family household with her parents. She is in the same class as Konata though isn't good at studying or at sports, but excels in cooking.
Tsukasa's physique is a little smaller than average. She has short, light-purple hair, and wears a ribbon like a head band in it, and her droopy eyes are light violet. She is portrayed as a stereotypical klutz and as a "healing-type" character. She spends a lot of time sleeping.