She has maintained her management relationship with Itoh Company for modelling, endorsements and acting work.
[4] In 1992, Rie Tomosaka joined the entertainment world with the commercial film of "ESTIMA" of Toyota Motor Corporation, and she also began her career as an actress with the NHK TV drama, Kora, Nanba Shiyotto in the same year.
Her singles "Cappuccino" (1999) and "Shoujo Robot" (2000) were written and produced by her friend Shina Ringo, who also provided piano and the rhythm section from her own band.
Four other Ringo songs were also recorded in these sessions ("Mokuren no Cream," "Shampoo," "Ikenai Ko" and "Nihon ni Umarete"), subsequently released as b-sides and album cuts.
"Prime Colors" (45 min., 1997) was a Tomosaka solo performance in twelve distinctive shorts released to VCD.
In 2000, she starred in the TV drama Kimiga Oshietekureta Koto for which Donna Williams's Nobody Nowhere was adapted.