[HP] After Picking up White Moonlight, Which Is a Good Guide

Suen got a ring in Hogsmeade. "Me? I am him in the future." Said the "ghost" who looked just like his crush. "Now, I'll teach you how to catch me." So Suen has a perfect character strategy guide. "Sitting in the second armchair next to the bed during Divination class", "Remember asking him after Potions class about the time to mine the moonstone"... Everything was going according to plan, and the indifferent classmate really started to smile at him. But... Why does his "mentor" still look so sad? *The plot begins in 1990 (that is, one year before Harry enters school), and the protagonist is in fourth grade, so there is only a small amount of interaction with the main characters of the original work. Original characters, mainly emotional lines, two-way secret love + time loop BE warning (but the story is daily + emotional and not depressing, but the ending is determined.) Concept: Love is eternal