I Swear to Love You Only from My Previous Life.

"I'll never let you go again..." Harukawa Shino, who works at a major corporation, spends her days diligently completing her work with her inherent sense of responsibility, even though her junior colleague, Miho, pushes extra tasks onto her. One day, she is rescued from a harassment at the gym by a man, and Shino had always wanted to thank him someday, but she unexpectedly meets him again as the company's new president!? Since the arrival of the new president, Shuto Shinji, Shino's hard work is recognized, and she is promoted to assistant president, and her life begins to take a turn for the better. "...There is always someone watching over you," Shinji says with a smile, making Shino's heart flutter, but...!? (Source: Mecha Comic, translated)