Tsuki no Ookamiotoko
From Blissful Sin: Keji's twins and Keich are experts in martial arts, despite their innocent people. But the younger brother Kejja Putil the unrequited feelings for her older twin. What will happen to these feelings when Cage will suddenly enter unilateral relationship with a school classmate? What will happen when Cayichi will also find a lover? Sexy Omnibus, full tests and adversity in these blue summer love stories.