Mitsuzuki - "kashou No Tsuki" Gaiden Manga

蜜月 「火宵の月」外伝 ; 蜜月～「火宵の月」外伝 ; Mitsuzuki Kashou no Tsuki Gaiden

From Tasty Kiwi Scans: story 01 - there’s a tribe of hermaphroditic wildcat people, who, after their sixtieth birthday, can become male or female based on their partner. The main characters in this story are: a wildcat Kada about to enter its transformation period and its philanderer fiance Koryuu. story 02 - Lady Shaman returns, carrying a child. When Monkan learns she is pregnant, he has to decide whether to claim the child as his own or protect his position and honor by casting her aside. story 03 - Kagetsu and Arimasa have finally settled down, and are now raising 1-year-old twins. However, Arimasa worries whether they will be able to live as humans with their demon blood. When the twins' powers begin to manifest, the new danger occurs.