Seekvaira Agares/Relationships

Rias Gremory
Seekvaira is one of Rias's childhood friends, and apparently they were close enough that Rias affectionately nicknamed her Seek-chan, which Seekvaira was fond of, even suggesting Rias to continued do so even in adulthood.

Issei Hyoudou
At first, Issei is fascinated by Seekvaira's beauty and attractive figure which is on pair with Rias, but was also scared of Seekvaira due to her serious, cold and strict nature even more so than Sona. However, in Volume.DX2, Seekvaira was shown to have deep respect for Issei due to his contributions to the Underworld as the Oppai Dragon and an important member of DxD, stating she will support and help him in any way she can. Later, after learning that Issei is a fellow mecha Otaku like herself, Seekvaira became immensely excited in discussing with Issei about their mutual interest in mecha. Thus, the two became friends due to their similar hobby. In True Volume 3, Seekvaira assisted Issei in modifying his familiar Ryuteimaru to become a dragon theme mecha battleship to defeat Tartarus, while feeling immense joy and excitement in doing so.

Lord Agares
Seekvaira's father whom she held utmost respect as the head of the Agares Clan. It was her father who started and encourage her interest in mecha by suggesting her watch Japanese mecha animation as a method of stress relief.