La brûlure de mille soleils 1965

This ultimate masterpiece is set in the far future where a young man, bored by his surroundings, blasts off into space with only his cat and some robots for company. On a distant planet he discovers a serene, tranquil culture and falls in love with a girl. The story follows his problems adjusting to their sociological standards and customs where family units are comprised of sexual groups of eight people.