A light novel series written by [[Kamachi Kazuma]], author of [[Toaru Majutsu no Index]], with illustrations by [[Nanao_(mahaya)|]].

Full Title: 最強をこじらせたレベルカンスト剣聖女ベアトリーチェの弱点 その名は「ぶーぶー」, (Saikyou wo Kojiraseta Level Counter Stop Kenseijo Beatrice no Jakuten Sono Na wa "Buu Buu", lit. "The Weakness of Beatrice the Level Cap Holy Swordswoman That Made Being the Strongest Even More Trouble – His Name? Boo Boo").
saikyou wo kojiraseta level counter stop kenseijo beatrice