サキュバス化したメンヘラ妹ちゃんに拉致られてメス犬化調教されるまんが～ヒトイヌ魔界ペットライフ～

Are you hiding your perverted nature? Would you like to be turned into a lusty pet? You are an excellent student, serious and disciplined, but you have a secret masochism that you don't even know you have. Your only problem is your little sister, who loves you and is black magic. One day, your sister completes her black magic, becomes a whore and abducts you into the demon world! To make you, her favourite sister, her own cute and obedient pet. You will be fed on all fours with your sister's urine on you, you will be stopped short of climaxing, you will be deprived of speech, and you will be left with nothing to do but howl. You are deprived of speech and can only bark, and even your memories are tampered with... You are reduced to an obedient pet who only wags her tail in pleasure! (English product description provided by the creator.) (作品介紹文章由社團提供)