Jun'ichi Ryuuzouji

Jun'ichi Ryuuzouji (龍造寺 順一 Ryūzōji Junichi) is Kaoruko Nanahara's bodyguard who spots Chihaya Kisakinomiya for a male at a glance. He lost his family by family suicide in the past on account of his parents' bad debt from consumer credit operated by Kaoruko's father Genzou. He is reconciled with Genzou now and Genzou trusts him to guard Kaoruko.