I Kept Pressing the 100-Million-Year Button and Came Out on Top, Vol. 4 (light novel)

After managing to rescue Lia from the Black Organization, Allen is selectedto represent Thousand Blade Academy in the Royal Sword Festival. As our herouses his newfound power to score victory after victory against competitorsfrom rival schools, however, a sinister conspiracy begins to unfold.Meanwhile, Allen and his friends finally get a moment to catch their breathwhen their schools cultural festival comes around...only for hislongtime rival Dodriel and a powerful new foe to launch a surprise attack onthe event!