Asumi-Chan Is Interested in Lesbian Brothels! Vol. 4 (manga)

On the hunt for long-lost love, Asumi has devoted her time to visiting brothel after brothel. She has no idea that her antics are making Nanao more suspicious of her by the minute. Nanao, determined to find out if Asumi is a lesbian call girl herself, makes a booking with a girl to find out the truth. Instead, she opens a door to further misunderstandings. Exactly where is their relationship headed?