Kei and Kouhei's relationship was healing. This was a good psychological yaoi as it showed a relatively realistic relationship between the abuse and victim. It good that Kei and Kouhei were able to escape from Kisaragi's abuse and help each other. I wonder what happened to that unarmed person and if that person was actually in the same kind of relationship with Kisaragi as Kei and Kouhei. The extra part with the chibis was cute.
Sayonara, Boku no Goshujin-sama