Zen(the author) just announced that there will be a 250-page book published in the near future(in Vietnamese of course) she redrawed all the net available chapter of "Housemate" and the continuation of it, she's going through some last paperwork with the publisher and i think the book will be out before or around Tết holiday 2018 (Vietnam's Lunar new year holiday), about at the same time she published her 1st book this year.
Zen's page: https://m.facebook.com/HousematesComic/ for more info
Her 1st book "17 năm ánh sáng" or "17 light years" is the collection of her short stories, which are also available to read online and one more story that is based on the song "Eien Hanabi"
Housemates