Vocabulary consisting only from characters you are able to read
恋しい
koishii
miss, yearnai
必ず
kanarazu
always/without exception/necessarily/certainly/without fail/positively/invariably/(P)jlpt3, jlpt4, leda1
やる気
yaruki
willingness (e.g. to do something)/eagerness/motivation/inspiration/determination/high aspirationsjlpt3