Eikyuu Shimei Onegaishimasu!

After losing her parents and being bullied in middle school, Towako retreated into a reclusive life of reading books and writing amateur fiction, with her older brother supporting them both. But one day, a trio of handsome nightclub hosts -- her brother’s new coworkers -- suddenly barge into her house, and into her life! Whether it’s running into one of them naked, or being on the receiving end of a sudden embrace... Towako’s days of quiet solitude may be over for good?!

(Source: MangaPlaza)