Fofumia: How to Pet Luno and Complete the Tutorial
Wait for Luno's big watery-eye expression, click while he is sitting in that state, and avoid treating every visible cat pose as an active pet prompt.
Luno interaction help
Learn when Luno can be petted, what the watery-eye expression means, and how to separate the supported click condition from guesses that do not complete the tutorial.

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Available guides
Each guide covers one clear task and links back here when you need another route.
Wait for Luno's big watery-eye expression, click while he is sitting in that state, and avoid treating every visible cat pose as an active pet prompt.
Sources