Mutsubi no Tsuki / [睦の月] - Mutsuki Hajime (lyrics)

initium~Shikoku Hyourin~ [initium~始告氷輪~] - Mutsuki Hajime (lyrics)

HAJIMARI NO HARU / [ハジマリノハル] - Yayoi Haru & Mutsuki Hajime (lyrics)

Aa. Kami wo Nadete, Hoho wo Nadete, Omae wo Aishite yaru / [嗚呼。髪を撫でて、頬を撫でて、御前を愛してやる。] - Mutsuki Hajime (lyrics)

Shigetsuya / [紫月夜] - Mutsuki Hajime (lyrics)

KOI WASUREGUSA / [恋忘れ草] Mutsuki Hajime & Yayoi Haru (lyrics)

DARK MOON ANGEL - Shiki Takamura & Rikka Sera (lyrics)

Bojou Harumi ~Hiyoku-hen~ (Gendai: Haru no Umi) [慕情春海～比翼篇～（原題:春の海）] - Mutsuki Hajime (lyrics)

Between the Sheets - Shiki Takamura & Rikka Sera (lyrics)

HONESTY - Shiki Toma (lyrics)

Cross Notes / クロスノーツ - Shiki Takamura (lyrics)

chronoah / クロノア - Shiki Takamura & Tsubasa Okui (lyrics)

SUREFIRE ~hikari he tsunage~ / SUREFIRE ~ヒカリヘツナゲ~ - Hoshitani Yuta x Tatsumi Rui x Shiki Toma x Fuyusawa Ryo (lyrics)

Happy Coming＊Tea Time / Happy Coming＊ティータイム - Hajime Shino (lyrics)

Roug:e - Shiki Takamura & Dai Murase (lyrics)

LADY JOKER - Shiki Takamura & Tsubasa Okui (lyrics)

boku to anata no kagaku-shiki / 僕とあなたの化学式 - Shirakawa Motoi (lyrics)

Shinku no Koi、 Rin to Hikare / 真紅の恋、凛と惹かれ - Shiki Takamura (lyrics)

ari no mama ni / ありのままに - Hoshitani Yuta x Shiki Toma (lyrics)

×× in the dark - Mage & Shiki (lyrics)