atbegshi_nextpage.tex

\documentclass{article}
%\usepackage{pxatbegshi} <== platex-tools/issues/15
\usepackage{atbegshi}\AtBeginShipoutInit
\usepackage{bxjalipsum,xcolor}
% from the second page, "ほーげー" should appear!!!
\AtBeginShipout{\smash{\color{red}\huge\gtfamily ほーげー}}
\begin{document}
\jalipsum[1-20]{wagahai}
\end{document}