[Studio N.BALL (Haritama Hiroki)] Secret Music[ss] (K-ON!) Pics [スタジオN.BALL (針玉ヒロキ)] Secret Music[ss] (けいおん!)

[Studio N.BALL (Haritama Hiroki)] Secret Menu (WORKING!)

(C76) [Studio N.BALL (Haritama Hiroki)] Secret Music[S] (K-On!)

(C79) [Studio N.BALL (Haritama Hiroki)] Sister Friend! (Ore no Imouto ga Konna ni Kawaii Wake ga nai)

[Studio N.BALL (Haritama Hiroki)] Kaze Mama! "Yotsubato!" Nijisousaku Soushuuhen Mamakan (Yotsubato!) [Digital]

[Studio N.BALL (Haritama Hiroki)] Secret Music 4c (K-ON!) [English] [Belldandy100]

(C86) [Studio N.BALL (Haritama Hiroki)] Kono Bijutsubu Komon ni wa Mondai ga Aru! (Kono Bijutsubu ni wa Mondai ga Aru!)

[Studio N.BALL (Haritama Hiroki)] Seinaru, Kankei [Digital]

(C86) [Studio N.BALL (Haritama Hiroki)] Kono Bijutsubu Komon ni wa Mondai ga Aru! (Kono Bijutsubu ni wa Mondai ga Aru!) [Chinese] [辣鸡汉化组]

[Studio N.BALL (Haritama Hiroki)] Secret Music (K-On!)

[Studio N.BALL (Haritama Hiroki)] Secret Music 4c (K-ON!)