Boku ga Sadame Kimi ni wa Tsubasa o.

The main character is Touya. He works for a big company, and belongs to a special mission section. Through his missions, he meets various girls and gradually gets to know the secrets of the world. The boy who didn't know anything learns the facts, falls in love and grows up through tough experiences... What will he get when he learns all the secrets...?

[Edited from ErogeShop]