Here is the full list of all 16 Sugar * Style achievements.
Start a new game for the first time
Start Hare's Route
Finish Hare's Route
Start Ichika's Route
Finish Ichika's Route
Start Kaname's Route
Finish Kaname's Route
Start Mao's Route
Finish Mao's Route
Pick the Security Job
Pick the Entertainer Job
Pick the Carpenter Job
Pick the Housework Job
Be careful of the lizard
Experienced mostly(?) normal child care
Get all Achievements