Parody os-tan90

[Kazeuma (Minami Star)] XP NO ANONE (OS-tan) [English] [JnTo]

(Futaba Gakuensai 5) [SECREDER (Jingai Modoki)] Sukisuki Obaba-sama (OS-tan)

[Hyamolot Bakurai (Aizawa Shin)] Oobaba-sama Meccha Kaikyaku Suru Hon (OS-tan) [Digital]

[Sumiyao] NT Halloween Inu no Hi CosEcchi (OS-tan) [Chinese] [無邪気漢化組] [Uncensored]

[Sumiyao] NT Halloween Inu no Hi CosEcchi (OS-tan) [Uncensored]

(Futaba Gakuensai 9) [Sekai Saiko (Mesopotamian Civ)] Naisho no Tsuinteruzu

[Sumiyao] NT Halloween Inu no Hi CosEcchi (OS-tan)

(Futaba Gakuensai 11) [SECREDER (Jingai Modoki)] Sukisuki Obaba-sama II TURBO (OS-tan) [English] [S.T.A.L.K.E.R.]

[KFC, waterwheel (Shirota Dai, YU)] Sweet Sweet (OS-tan)

(Futaba Gakuensai 7) [Chilled House (Aoi Kumiko, Ujiie Moku, DD)] Koshian Obaba-sama 2 (OS-tan)

[Kazeuma (Minami Star)] XP NO ANONE (OS-tan)

(C67) [552 No Yakata (Seguchi Takahiro)] ERROR MESSAGE (OS-tan)

(SC38) [Otona Star (Hiuma)] Otona OS 2/18 sp1 (OS-tan) [English] [SaHa]

(C70) [SAOTOME-Laboratory (Saotome Mondonosuke)] Sasekko OS SP2/UPG (OS-tan)

(C67) [Water Wheel (Shirota Dai)] Hesitates Operating System (OS-tan) [English] [SaHa]

(Futaba☆Bunkasai 2) [Jenoa Cake (TakayaKi)] Tadashii? OS no Atsukaikata 1 (OS-tan) [2nd Edition 2005-05-31] [English]

(CR37) [Ekesetene. (Sugawara Tsukasa)] Shori wo Zokkou Shimasuka? (OS-tan)