She has made a wide variety of songs since starting to compose for Taiko in 2005, making a good half of the console Taiko theme songs and many other memorable Namco Originals, even contributing her voice to some of them. She started the ac. series of songs, which has two distinct styles: her cute, bouncy music and Masubuchi Yuuji's more serious rock music (ac11 and ac12.5). It's hard to pinpoint a specific pattern or preferred genre in Masako's music, but one thing's for sure; her songs are all of good quality, original and memorable.
Children/Folk
- Sakura (Haru) (さくら（春）)
- Classic Medley (Wedding ver.) (クラシックメドレー（ウェディング編）)
- O Vreneli (おおブレネリ)
- Oodain (大打音)
- Namcot Medley (ナムコットメドレー)
- Night And Day
- Futari no Kioku (フタリの記憶)
- Shishihagemai (シシハゲマイ) (also vocals)
- Ta.ko.ta.i.ko (タ・コ・タ・イ・コ)
- Noshi Maite, Taiko Para! (のし巻いて、太鼓っパラ！)
- Bouken-biyori (冒険日和)
- Densetsu no Matsuri (伝説の祭り)
- Kimi ni Touch! (キミにタッチ！) (also vocals)
- Nanairo Harmony (七色ハーモニー)
- Happy de Rippa! (ハッピーでリッパ！)
- Lalala Happiness (ららら☆ハッピネス)
- Dororon Girl (どろろんガール)
- DokoDON MatsuRhythm (ドコDON★まつリズム)
- Numujika ac.10 (ヌムジカac.10)
- Arumujika ac14.0V (アルムジカac14.0V)
- 3Q-4U-AC00 (also vocals)
- Atashi Ikasama Koi wa Ikasama (あたしイカサマ恋はイカサマ)
- Hello! Halloween (ハロー！ハロウィン) - composer, vocals
- Ikasama Pirates (イカサマパイレーツ) / Oresama Pirates (オレサマパイレーツ)
- Knitting High (ニッティング・ハイ)
- Yureru Pleats Jikkoiin (ゆれるプリーツ実行委員) composer, notecharter
- Gasshou Stabofe! (合唱スタボーフェ！)
Other Music Games Songs
Idolm@ster
- My Best Friend
