Beast's Storm: Touch Me Baby!

In this world, there are humans without beast ears and humans with beast ears called Bestia. Sougo and Akira, a happily married Bestia couple, live blissfully with their ever-growing family. Things stir up a bit when Sougo's half-brother, Kazuhisa, makes his appearance and offers Akira to produce an offspring with him, much to Sougo's annoyance....