Wikipedia
Rakutenshi
Rakutenshi (楽天使) was a J-pop group consisting of members Shinobu Nakayama, Mamiko Tayama and Junko Kawada. Rakutenshi made their debut on 17 December 1989, and made their final JPOP release on 10 December 1990.
Rakutenshi also teamed up with the J-pop group Lip's and singer Rumi Shishido to form the group Nanatsuboshi.