an "office lady" (female office worker responsible chiefly for menial, non-aspirational tasks)

(grammar) conjunctive particle (abbr. 接助)

Alternative form of オフィスレディ

(mahjong) Alternative spelling of 一萬 (“the tile of 1 wan”)

repetitive, one-track

the same behavior repeated over and over again / being in a rut / (of a person) having a one-track mind

number one

(poker) Synonym of ペア (pea, “pair”); a one pair

The act of calling someone and then immediately hanging up, in the hope that the recipient of the call will call back.

one hand