Ch. 1: A guy hates rainy days because "things become transparent," like his feelings for his popular friend. Unexpectedly, they kiss. Megane uke(?)
Ch. 2-5: Akitsugu has had a crush on Kei since middle school because of the way that Kei had a crush on their classmate, Maya. A weird Kei phantom appeared in Akitsugu's room and complicated his life. Unrequited.
See-through