Be My Worst Nightmare!, Vol. 1 (manga)

Sayo Hoshikawa, a high schooler who's insecure about his height, witnesses his unrequited crush getting rejected by a tall and handsome boy named Mashiba. Sayo challenges Mashiba to contest after contest, but he can't win a single time. Nothing gets under his skin more than when Mashiba calls him cute! But then, he starts having strange dreams about a certain someone embracing him—and soon enough, the dreams devolve into something even deeper…!