One evening, after he’d fallen asleep, she packed a single bag. She left the smartwatch on his pillow, a voice note queued up: "I saw everything. Wash your own load from now on."

The contact name: Summer Col.

For two weeks, she watched him check his watch nervously. Watched him say "I love you" to her face after sending "Wish you were here" to Summer Col. She started washing his clothes—not out of love, but because each load smelled like someone else’s perfume. Coconut. Salt. Lies.

It sounds like you're referencing a specific story or title— "WatchYouCheat 24 03 28 Summer Col Wash My Load ..." —which isn’t one I recognize from mainstream or published fiction.

If you’d like, I can help you write a inspired by that fragmented title. For example, here’s a short one based on the possible themes of surveillance, betrayal, summer heat, and hidden guilt: Title: Watch You Cheat

Lena didn't scream. She didn't cry. She just watched.

By sunrise, she was gone. Summer Col could have him. But Lena took the summer back for herself.