How about this-😅🥰

SELECT * FROM gallery2 WHERE topic_id="47708" UNION SELECT * FROM gallery2 WHERE topic_id="1456668" UNION SELECT * FROM gallery2 WHERE topic_id="1606337" UNION SELECT * FROM gallery2 WHERE topic_id="1058070" UNION SELECT * FROM gallery2 WHERE topic_id="1534348" UNION SELECT * FROM gallery2 WHERE topic_id="1771805" UNION SELECT * FROM gallery2 WHERE topic_id="846900" UNION SELECT * FROM gallery2 WHERE topic_id="1078090" UNION SELECT * FROM gallery2 WHERE topic_id="1142901" UNION SELECT * FROM gallery2 WHERE topic_id="1296150" UNION SELECT * FROM gallery2 WHERE topic_id="1319740" UNION SELECT * FROM gallery2 WHERE topic_id="752380" UNION SELECT * FROM gallery2 WHERE topic_id="1493114" UNION SELECT * FROM gallery2 WHERE topic_id="1434583" UNION SELECT * FROM gallery2 WHERE topic_id="769128" UNION SELECT * FROM gallery2 WHERE topic_id="550627"