しれっと

しれっと, シレッとshiretto

adverb · suru verb

  1. nonchalantly
  2. calmly
  3. as if nothing happened

Study it in Yanamino

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