Kanojo wa Kyou mo Katazukanai is a Manga/Manhwa/Manhua in english language, ROMANCE series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

She has a rewarding job and a boyfriend she's been dating for half a year. Tawara Aina, who's admired as an ideal woman has a problem... She can't seem to keep her place clean.