Opening Themes- -Duvet দ্বারা BoA from Serial Experiments Lain -Houseki দ্বারা marina Inoue from Le Portrait de Petite Cossette -Nightmare Contagion দ্বারা The ALI Project from Another
Ending Themes- -Magia দ্বারা Kalafina from Puella Magi Madoka Magica -Why অথবা Why Not? দ্বারা Katakiri Rekka from Higurashi No Naku Koro Ni
Theme of the Series In General- -Another Main Theme -Higurashi No Naku Koro Ni Main Theme -Jigoku Shoujo Main Theme
Character Themes- -Dear আপনি ~Hope~ Rika Furude's Theme from Higurashi No Naku Koro Ni -Dear আপনি ~Cry~ Rena Ryuugu's Theme from Higurashi No Naku Koro Ni -Credens Justifiam দ্বারা Yuki Kajura (Mami Tomoe's Theme from Puella Magi Madoka Magica)
