Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
人口 džinkou populationjlpt4, leda1
亀の手 kamenote barnacledoubutsu
耳にする miminisuru to hear, to hear by chance, to hear by accident, to catch (the sound)suru
一月 hitocuki one monthjlpt5, toki
死神 šinigami Shinigami, death godkami