Soft de Hard na Monogatari 2

Hiroshi Saijo has done the impossible: when his father fell ill, he managed his software company with success. Now his father is the boss again, Hiroshi can relax and focus on his college studies and dating plans. However, he is still very much needed at the office, and matters become even more complicated when the new receptionist Rie Ishida arrives at the workplace.

[from MobyGames]