For 10 points, name this first novel in Yukio Mishima's Sea of Fertility series.
Near the start of this novel, the main characters witness a dead dog at the top of a waterfall, providing a chance for the grand-niece of the Abbess of Gesshu to steal some time alone with the main character, her eventual love interest.  One scene from this novel sees a character who lost an emerald ring and his friend be forced to search for it in a lawn during a downpour, prompting them to leave school; those characters are two (*) princes from Thailand known as Chao P and Kri.  After arranging an abortion, Satoko Ayakura runs away to live in a convent, while it ends with the death of Kiyaoki Matsugae, who tells his friend Shigekuni Honda that, in his dreams, he knows they will meet again, foreshadowing the events of Runaway Horses and The Temple of Dawn.  For 10 points, name this first novel in Yukio Mishima's Sea of Fertility series.
Near the start of this novel, the main characters witness a dead dog at the top of a waterfall, providing a chance for the grand-niece of the Abbess of Gesshu to steal some time alone with the main character, her eventual love interest.  
{Spring Snow}