Vocabulary consisting only from characters you are able to read
やる気
jaruki
willingness (e.g. to do something)/eagerness/motivation/inspiration/determination/high aspirationsjlpt3
必ず
kanarazu
always/without exception/necessarily/certainly/without fail/positively/invariably/(P)jlpt3, jlpt4, leda1
白黒
širokuro
(1)black and white, monochrome, (exp,vs) (2)good and evil, right and wrong, guilt and innocence iro