Like Hair Set

どこかで見た髪型セット ("Hairstyle set seen somewhere") is a set of many cosplay hairdos, modeled for Sera by Futepen.

The set includes:
 * Darker than Black: Ryuusei no Gemini: Suō Pavlichenko's hairdo
 * Lyrical Nanoha: Vita's hairdos from A's and StrikerS, and Subaru's hairdo from StrikerS
 * Touhou: Sakuya Izayoi's hairdo

See https://www.pixiv.net/en/artworks/12037081 for the official image of this freebie.