Love Pistols vol. 4 (Yaoi manga)

As Norio continues his training at Kunimasa’s family estate, he meets more and more family members. But when he meets Kunimasa’s mother, he encounters a whole new set of problems: she begins an auction for becoming Kunimasa’s fiance! Norio rushes to stop what could be the end to his relationship, but what does Kunimasa truly want?