Even Though We're Adults, Volume 4 (Even Though We're Adults #16-20)

Ever since Ayano and Akari became neighbors, the two women have tried to put aside their romantic feelings for each other. But their attempts at playing it cool might have been a little too successful, as now Akari is becoming friends with Ayano's husband and his family! As they spend more time together, Akari realizes that she can't think of Ayano as just a friend, and Ayano is forced to think about her future.