Kaeru No Prince-Sama summary:

Socially awkward Aono was perfectly happy working in Quality Control as but fate would have it he's been transferred to the Sales Department?? As if being ridiculed by his co-workers for his nervous stutter isn't bad enough, he's thoroughly mortified when the departmental star Gouzaka overhears him having a breakdown on the roof. But no matter how often he pushes Gouzaka away or how fast Aono runs Gouzaka is always there by his side...