This story is the last in the series. (Vol 6 has not been translated yet) It is part of the Bitch na Neko wa Koukishin ni Katenai series. All 5 are stand alone volumes but are a continuation of the series. Order below:
Bitch na Neko wa Koukishin ni Katenai – 7 chapters Bitch na Neko wa Dokusenyoku ni Aragaenai – 7 chapters Bitch na Neko wa Retsujou no Tsume wo Togu – 7 chapters Bitch na Neko wa Himitsu ni Shippo wo Yurasu – 6 chapters Bitch na Neko wa Amai Kuchibiru ni Oboreru – 7 chapters
This story is the last in the series. (Vol 6 has not been translated yet) It is part of the Bitch na Neko wa Koukishin ni Katenai series. All 5 are stand alone volumes but are a continuation of the series. Order below:
Bitch na Neko wa Koukishin ni Katenai – 7 chapters
Bitch na Neko wa Dokusenyoku ni Aragaenai – 7 chapters
Bitch na Neko wa Retsujou no Tsume wo Togu – 7 chapters
Bitch na Neko wa Himitsu ni Shippo wo Yurasu – 6 chapters
Bitch na Neko wa Amai Kuchibiru ni Oboreru – 7 chapters
Volumes 1 - 4 can be read here: https://www.mangago.me/read-manga/bicchi_na_neko_wa_koukishin_ni_katenai/