[su-] Superman is in the [4] bathroom of the [-_] house looking quite 肅 solemn as he gets on his knees and places a superhero pen inside the bathtub. In the next second, a 肅 solemn gong sounds, and the bathtub turns into an endless abyss. Superman gets up and 肅 solemnly begins to fly down the abyss to carry out some 肅 solemn superhero business.