Shiro

Flight Section: 1:20
Forest Section: 3:00
Bamboo: 3:05
Die 100x:
Bird 1: 5:45
Bird 2: 8:45
Temple Section: 13:10
Bird 3: 16:15
Boss Fight: 19:35
Mushroom Cave: 21:30
Bird 4: 24:00
Bird 5: 27:05
Free Fairy: 27:10
Red Mine Section: 27:35
Save Sister: 30:40

Achievement Walkthrough:

Here is a 100% Achievement walkthrough from 4lone wolves.
A full playthrough for this game is required. (not your average Xitilon)
It is challenging in areas and requires skill but checkpoints are very generous.
There are three missable achievements all covered very early in this guide.

Enjoy and good luck.