1girl, rem (re:zero), re:zero kara hajimeru isekai seikatsu, flower pattern biki

1girl, rem (re:zero), re:zero kara hajimeru isekai seikatsu, flower pattern bikii,bandeau bikini, snorkeling gear, standing in shallow water, tropical fish swimming nearby, coral reef visible, bright sunlight reflecting on water surface, excited expression, masterpiece, best quality, absurdres

worst quality, low quality, bad anatomy, bad hands, bad body, missing fingers, extra digit, fewer digits