Kimagure à la Mode

Eitaro, a high school senior on his way home from a mock exam, is forcibly brought to a retro coffee shop with a reluctant master and an easygoing part-time worker. Worried about his future career, Eitaro returns home without even touching the melon soda he was offered. However, when he meets the part-time worker again later, his heart is moved by the part-time worker's words. Source: MU