She, along with Ami Onuki (the other half of Puffy) have co-hosted in various TV shows (notable ones being Pa Pa Pa Pa Puffy, Saku Saku Morning Call and Hi Hi Puffy Bu) and has written and played songs for the band.
Yumi was formerly married to Takanori Nishikawa (or T.M. Revolution). The latter filed for divorce after accusations of Yumi having an affair. She later remarried a longtime friend/businessman on New Years' Eve in 2009.
She is nicknamed 'Sue' in the U.S, and is right-handed while writing/playing guitar, but left-handed for other things (ambidextrous).
Blood type: A+
Star sign: Aquarius
Height: 5'4" (slightly taller than Ami, although younger)
Favourites: eating shrimp/octopus balls; colours dark blue and black; playing bass guitar; wears watch on left wrist; necklaces.
Habits/miscellaneous info: ambidextrous; has two tattoos; is a smoker; said to have lived in poverty during childhood; currently has long blonde-coloured hair.
Yumi has sung numerous solo songs throughout Puffy's career. She has contributed 7 songs to her CD on solosolo, and released solo single 'V-A-C-A-T-I-O-N' a week after Ami's 'Honey' in 1997.
Nagaiki Shite ne
Tennen no Beauty
Tsuyoki na Futari
Ai no Aura
Watashi no Nozomi
JET CD (1998)Edit
Nanni to Naru Deshou
Sakura no Hana ga Saku Amai Amai ni Kisetsu no Uta / This is the Song of Sweet Sweet Season When Cherry Garcia Blossoms Bloom
The Hit Parade (2002)Edit
Rakuda no Kuni / Cameland