(slang) methamphetamine addiction

(sex, vulgar) vaginal orgasm

in the middle of a conversation; on the other line of the phone

(management) key performance indicators; KPI

one day, 24 hours / the daytime, the period from dawn until dusk / (figuratively) a short period of time / one day, someday, an unspecified day / the first day of the month

a birthday

regular day off (e.g. closed every Monday)

the twentieth day of the month / twenty days / Short for 二十日鼠 (hatsuka nezumi): a house mouse

幾日も幾日も: day after day

Empire of Japan (official name of Japan under the Constitution of the Empire of Japan, 1890-1947)