Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
緑玉石 ryokugyokuseki emeraldkagaku
予約 yoyaku reservationjlpt4, ryokou
無口な mukuchina quietadj, emo
船長 senchou ship's captain/(P)mix
shio tideshizen
呼ぶ yobu to call out, to invitegodan, jlpt3, jlpt5, verb, vtrans
秘書 hisho secretaryshigoto
飲み会 nomikai drinking partybaka
大部分 daibubun most part, greater part, majoritymix
正数 seisuu positive numbermath