鬼になる

おにになるonininaru

expression · godan verb

  1. to harden one's heart
  2. to steel oneself
  3. to be ruthless
  4. to become "it" (in hide-and-seek, etc.)

Kanji in this word

Study it in Yanamino

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