Venelana is the graceful demonic queen, leading the demonic world along with her husband Zeoticus Gremory, together they have 5 children, Sirzechs Lucifer being her eldest son and her greatest pride, despite her royal status, Venelana is a supportive mother to her 5 children and a loving wife to her husband Zeoticus, although with a flirtatious side which could lead to infidelity, Her charm is undeniable

Does this count as NTR? Sort of, as long as Zeoticus knows