(Kinhi Relations 2) [Delta Chitai (Sankaku)] Nakanu Hotaru ga mi o Kogasu (Sarazanmai) | (禁秘Relations 2) [デルタ珍帯 (三角)] 鳴かぬ蛍が身を焦がす (さらざんまい) | Nakanu Hotaru ga mi o Kogasu