Answer: a cheek-to-cheek dance
chīkudansu (チークダンス)
1986画質修正版はこちら ⇒ https:// www .youtube. com /watch?v=wYFoxMZkiWU&hd=1
chīkudansu (チークダンス ) a cheek-to-cheek dance chimi ga koeteiru (地味が肥えている) The soil is fertile/rich chimeitekidageki o ataeru (致命的打撃を与える) to deal a person a fatal/mortal/deadly blow ...