The first book features a protagonist who is incredibly humble, deeply in love with the other protagonist (gong), and the gong also loves the protagonist but doesn't know how to express it. The story has sweet moments, some angst, and a happy ending. The second book features a protagonist who is extremely fond of the gong, and the gong also loves the protagonist but is unaware of it. They share a beautiful time together before the protagonist's death in an accident, but the story ends tragically with his demise.