MiYuki - Niji no kakera (RUS) [Isshuukan Friends OP]
Anime: Isshuukan Friends (One week friend, Друзья на неделю)
Song: Natsumi Kon - Niji no kakera
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Vocal: MiYuki
Russian lyrics: Cleo-chan
Mix: Delvirta, ampm
Video: LilyAmaya
Subtitles: Hibiki