Kinyoubi no Baby Violet

Summary
To her coworkers, Mizuno Sumire is hard-working, capable, and cold-blooded, but she is actually hiding a shocking secret. What happens when this secret is suddenly uncovered by someone else?

To her coworkers, Mizuno Sumire is hard-working, capable, and cold-blooded, but she is actually hiding a shocking secret. What happens when this secret is suddenly uncovered by someone else?