Vocabulary consisting only from characters you are able to read
いつの間にか
いつのまにか
before one knows, before one becomes aware of, unnoticed, unawaresjlpt3
百万
ひゃくまん
(1)1,000,000, one million, million, (2)many mix
2階
2かい
(1)storey/story/floor/(n) (2)stairs/(n,n-suf) (3)stage (in chronostratigraphy)/(ctr) (4)counter for storeys and floors of a building/(P); stairs; (n) stairs mix
御主人
ごしゅじん
(polite) your husband, her husbandjlpt5