OP

オー・ピー, オーピーoo・pii

noun

  1. opening credits
  2. title sequence
  3. theme song (played during the opening credits of a TV show, etc.)
  4. overprint

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences