How to study Greek mythology systematically?

Themis, the goddess of the moon in ancient Greek mythology, is the twin sister of Apollo, the sun god. She is very beautiful. Her silver hair is brighter than moonlight, and her purple eyes are clearer than crystal. She is a goddess with quick thinking, determination and lightness. At the same time, she is also a very powerful archer. The first quarter moon is her bow and the moonlight is her arrow. She hunts in the forest all day, so she is also called the goddess of hunting and the goddess of protecting the brave. Apollo, the sun god, loved her so much that he even vowed not to marry any goddess and would always be the only one to protect her. However, this strong feeling of brother and sister was cracked after meeting the devil storm god. The moon goddess and the storm god met and fell in love. Apollo was jealous of Storm God and didn't like his sister's relationship with him, so he decided to get rid of him. One day, when the storm god was flying at sea, Apollo covered him with golden light, so no one could see his true face. Then he encouraged his sister, who likes archery, to take gold objects in the distance as targets. Of course, the goddess of the moon didn't know that this was her brother's conspiracy, and an arrow hit the chest of the storm god. On his deathbed, storm recognized the silver arrow at a glance. He doesn't understand why the person he loves wants to kill him. He remembered that he was at odds with heaven and thought that she had cheated him and betrayed him. He loves him deeply and hates him. He used up his last strength at sea and set off a storm. He growled bitterly. "Artinius, no matter how many times I am reincarnated, I can't help myself not to go." He vomited one mouthful blood, turned into a little green light in the sad cry and disappeared into the sea. Altinius, who knew the truth, looked at the arrow on the sea in despair. Her tears turned into a downpour and washed the earth. She wailed and blamed herself, thinking that her love had ruined him. A beautiful smile touched her mouth, she picked up an arrow covered with blood, plunged into her chest resolutely, and put a chain on herself with blood. She won't love him anymore. As long as she doesn't love him, then he won't encounter any bad luck or danger. She closed her heart and that unforgettable love. Later, Apollo saw her commit suicide and resented her unfairness. In the heavy rain, he swore that they would not be allowed to fall in love for thousands of years.