Another theme might be sacrifice. It's common in love stories for one or both characters to sacrifice something for the sake of their love. In 'alpha love story', it could be about sacrificing personal desires for the relationship.
Self - discovery could also be a theme. Through the process of falling in love in 'alpha love story', the characters may discover new aspects of themselves, their values and what they truly want in life.
Power and responsibility could be themes too. The alpha prince has power and with his bride by his side, they may have new responsibilities towards their kingdom. Also, loyalty might be a theme. Their loyalty to each other in the face of various challenges.
One possible theme is self - acceptance. The young alpha has to accept his own gay identity first before dealing with his relatives. Another theme could be family acceptance. How his relatives come to terms with his sexual orientation. Also, there might be a theme of identity conflict, as he is an alpha in one part of his life and now has to integrate his gay identity within that and with his family.
In an 'alpha and omega love story', themes such as transformation are common. The alpha may transform from being a bit too overbearing to being more understanding and caring because of the omega. The omega may also change, perhaps becoming more assertive. Additionally, loyalty is a key theme. They are loyal to each other throughout the story, through thick and thin. And the theme of unity is there too. Despite their differences, they come together as a united front against any opposition, be it from other characters or from the rules of their fictional world.
One possible theme could be power. If Kieran is an alpha, power dynamics are likely to be explored, especially in relation to his interactions with Alexia. Another theme might be love or attraction, as the two characters are named together which could imply a relationship between them.
Well, without knowing the exact plot, it could potentially have themes of love and loyalty. If Alpha Alexander is a strong leader - type character, themes of leadership and responsibility might be present. And if Selene has some special powers or abilities, perhaps themes of self - discovery and the use of one's gifts.
One possible theme could be sacrifice. If the love is forbidden, the characters might have to sacrifice their relationship or something else important to them. For example, they might sacrifice their own happiness to conform to society's rules.
Power is likely a theme. Since she's an alpha goddess, she must have a great deal of power. Also, mystery, as she is a dark goddess.
One possible theme could be redemption itself. Since it has'redemption' in the title, perhaps the character Alec is on a journey to make up for past mistakes.
A third theme might be the pursuit of dreams. If one or both of the lovers had big dreams, like traveling the world or becoming an artist, their love would be intertwined with their individual pursuits. They might have to choose between love and their dreams or find a way to make both work in the context of their relationship.
One possible theme could be sacrifice. In 1941, during the war, lovers might have to sacrifice their time together, or one might sacrifice their safety for the other. Another theme could be hope. Despite the dark times of war, their love could be a source of hope for a better future.