Uchi no Kaisha no Chiisai Senpai no Hanashi  

Story of a Small Senior in My Company, 公司里的小小前辈

Shinozaki is an employee with a senior team member named Shiori Katase, who is attractive, caring, and petite. Although Shinozaki hopes that Katase isn't doing it out of obligation, her pleasure in being cared for reveals her true feelings.