Seiyuu Danshi – a romantic novel that tells the story of an attractive guy named Haato. The hero has one cherished dream: he wants to become a famous voice actor. Also, the protagonist of Seiyuu Danshi secretly wants to become famous so that girls will pay attention to him. However, the hero has one problem: he does nothing, because he prefers to dream more than to do business. Haato is very lazy, so he immediately gives up if he does not do something properly.

Fate throws him a lucky ticket when the guy gets into a company that does voiceovers. But due to his laziness, he quickly loses his job and is left up to his ears in debt. Unable to pay the rent, he returns to his parents' house, where he needs to get any job, just to pay off his debts. Here he meets charming girls and guys with whom he can start a romance.

The mechanics are based on the choice of replicas. When communicating with different characters, you must choose one of the available answer options. You need to approach your actions wisely, since any choice can radically change the hero’s life. Several endings have been prepared, which directly depend on the style of play. You can start a long-term relationship or choose a passion for one stormy night.