Orientation

Once upon a time, there was a tadpole called imo. Every day Imo just spent his time to swim on the water with the other tadpoles. Imo didn't have parents because as habit of frog, they left their tadpole and didn't wait until their children grew up. At first imo felt that wouldn't influence his life. He only knew about swam and swam. But time flies, he was not tadpole  anymore. He had become a frog