Starry Sky: After Autumn is a sequel to Starry Sky: In Autumn, continuing after the normal ending in the original game.

Tsukiko comes back to Seigatsu Gakuen after a number of years as a trainee teacher and meets up with the original gang – her old home-room teacher Naoshi, school doctor Kotarou and newly qualified teacher Iku. Now they enjoy life at school while Tsukiko is on her 3 month placement.