Looks like some model testing prompt.

Prompt：suzuran (arknights),1girl,solo,fox ears,upper body,looking at mirror,toothbrush,brushing,water,bubble in mouth,teeth,toilet,indoor,pink pajamas,sunrise, (artist:onineko:0.826446),artist:hito komoru,(artist:quasarcake:1.1),(artist:reoen:0.826446),artist:machi,(7769:1.21),coco7,original, best quality,amazing quality,very aesthetic,absurdres,year 2023,year 2024,

And the article above, that Google suggested me, has better version.