Black Joushi wa Tenseisha!?

Ikuma Saito, an ordinary office worker, runs into his cool and perfect boss, Tamaki Kamikawa, at the train station one day. However, something is clearly wrong with her. As a train approaches the platform, she loses her balance and falls toward the tracks—

Devastated by his failure to save her, Ikuma returns to work the following week, only to find that instead of being blamed, he is hailed as a hero who saved her life. Bewildered by the situation, he goes to visit her in the hospital as told, only to find her there without a single scratch on her body...!?

From there, the story plunges into a whirlwind of unexpected developments!