Kosaka
Kitarō Kōsaka
Kōsaka Masanobu
Kōsaka Dam
Makoto Kōsaka
Riyu Kosaka
Kosaka Smelting & Refining Kosaka Line
Daimaou Kosaka
Zentarō Kosaka
Lyanne Kosaka
Nao Kosaka
Kazuya Kosaka
Kosaka, Akita
C/1969 T1 (Tago–Sato–Kosaka)
Hirokazu Kosaka
Tsuyoshi Kosaka
Hikaru Kosaka
Kosaka mine
Kenji Kosaka
Akinori Kosaka
Kawachi-Kosaka Station
Kenji Kosaka (psychiatrist)
Kosaka (restaurant)
Makoto Kosaka
Yuka Kosaka
Katsundo Kosaka
Tadahiro Kosaka
Kirino Kosaka
Love Live! School Idol Project
Oreimo
List of To Heart series characters
List of Future Diary characters
Kiyohiko Azuma
Shizuka Ishikawa
List of Code Geass characters
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