Oricon Single Rankings for May 1980

1. The Chanels          Runaway
2. Crystal King          Shinkirou
3. Kaientai               Okuru Kotoba
4. Shinji Tanimura      Subaru
5. Momoe Yamaguchi  Shanikusai
6. Hiroshi Itsuki          Shiawase Sagashite
7. Eikichi Yazawa        This is a Song for Coca-Cola
8. Akihiro Takashima   Theme from "Hige"
   and Electric Shavers
9. Kai Band                Beautiful Energy
10. Sachiko Kobayashi Tomari Ki

Not all that much to say here, except that when the No. 5 ranking song, Shanikusai（謝肉祭）, was released in late March 1980, just a few weeks previously, it had been announced that Yamaguchi（山口百恵） would be marrying actor Tomokazu Miura（三浦友和） and retiring from show business.