Lip's was a J-pop group consisting of members Takako Katou, Kyouko Yamamoto and Natsue Yoshimura. They made their debut on 21 March 1990.
Lip's also teamed up with the J-pop group Rakutenshi and singer Rumi Shishido to form the group Nanatsuboshi.
References
Lip's Wikipedia(Text) CC BY-SA