Download Futaba Igarashi (CV: Tomori Kusunoki), Touko Sakurai (CV: Saori Hayami), Natsumi Kurobe (CV: Reina Aoyama), Mona Tsukishiro (CV: Aoi Koga) - Annoying! San San Week! MP3 from album "Opening Senpai ga Uzai Kouhai no Hanashi". All MP3/songs are for personal, non-commercial use only. Please support Futaba Igarashi (CV: Tomori Kusunoki), Touko Sakurai (CV: Saori Hayami), Natsumi Kurobe (CV: Reina Aoyama), Mona Tsukishiro (CV: Aoi Koga) by buying their original song, Available on iTunes, Spotify, JOOX, Amazon, or other Official Music Store. Best regard.