Dekiai na Yome no Baito desu

Through his brother's introduction, Iku lands a part-time job as a housekeeper and meets the intimidatingly beautiful Kyohei. Kyohei is a busy, elite businessman with a messy apartment, leaving his underwear in the living room. Iku’s first impression is decidedly negative. On the first day, a drunken Kyohei accidentally makes a move on Iku, turning the start of his part-time job into a chaotic experience...but!?

(Source: Overlap, translated)

Note: Includes one extra chapter.