Muzai Moratorium (無罪モラトリアム^?), official english title: Innocence Moratorium, is Ringo Sheena's first album, released on February 24, 1999 by Toshiba EMI. The album debuted at #1 and has sold over 1,433,000 copies. The album was certified triple platinum by the RIAJ for 1,200,000 copies shipped.

Ringo Sheena composed nearly all the songs on this album in her teenage years, prior to her major label debut. The album combines multiple genres of music from both the East and the West, including J-Pop and grunge. Both the album and song titles combine Kanji and English, and the lyrics are written using English and Historical kana usage.

The songs "When It Begins to Get Dark...," "Caution," "A View of Happiness (Joy Ver.)" and "Queen of Kabuki-cho" were used in TV commercials for Suntory's The Cocktail Bar range of drinks.

All tracks written by Ringo Sheena, arranged by Seiji Kameda.

Sheena used different bands throughout the album. She was also joined by guests Neko Saito (who continues working with her) and Chieko Kinbara (who works with Björk).

Zetsurin Hectopascal (絶倫ヘクトパスカル, Matchless Hectopascal^?) (#1,2,4,6,8,10)

Zekkyō Solfeggio (絶叫ソルフェージュ, Scream Solfeggio^?) (#3)

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