The subject of the book is related to the story of seven close friends in their college days and tells us about Friendship is always greater than loveship.
The rainbow is a novel that reveals the ultimate definition of friendship and the mystery of life through eternal rich content.
Just like rain is a symbol of love, a rainbow is also a symbol of pure friendship, so we get to see in the novel the best vision of how life becomes colorful when the same rainbow blooms in the white sky of life.
It is a story of seven friends who are different in nature, in which the novel sheds light on how these seven friends come together, then the friendship that blossomed between them, then the love that came from Oghan and the love triangle between them, and the anonymous Sudanatya that blossomed out of it.
Despite the seven different colors, the novel conveys the message of how much beauty lies in living together, as well as commenting on today’s youth who are confused and detached from their emotions.
The feature of the novel is that in the eyes of a youth who has strayed from true friendship and love, the equation of friendship and love has been impressed.