X-Day (彼女たちのエクス・デイ Kanojo-tachi no X-Day lit. X-Day of Her and the Others) is a two book manga written by Setona Mizushiro. It is about three high school students and a teacher who meet online and form a plan to blow up their school.
This page contains content from the copyrighted Wikipedia article "X-Day (manga)"; that content is used under the GNU Free Documentation License (GFDL). You may redistribute it, verbatim or modified, providing that you comply with the terms of the GFDL.