Sekai Saisoku no Level Up 3 (Kadokawa Sneaker Bunko) [Light Novel]

[Machine Translation] Amane-san - I've come to meet you." KISARAGI Claire, an S rank adventurer, appears before Rin. Her purpose was to recruit Rin into the guild "Yoizuki", a guild with overwhelming power! Rin is given the opportunity to further improve her skills by joining the guild on a temporary basis, and she steadily grows stronger. She begins to attract attention within the guild, but suddenly she gets caught up in a mysterious dungeon! In the face of a hopeless power gap with the great evil, the Vampire King Cain, who awaits them at the bottom of the dungeon, Rin acquires a new power that transcends the laws of the world! A tale of the world's fastest growth, surpassing all the strongest by continuously pushing the limits!

「天音さん―あなたに会いに来ました」凛の前に現れたSランク冒険者の如月クレア。圧倒的な実力を誇る彼女の目的は凛をギルド“宵月”に勧誘することだった!仮入団という形で更なるレベルアップの機会を得て、着実に強くなっていく凛。ギルド内でも注目を集める存在になり始めるが―突如発生した謎のダンジョンに巻き込まれてしまい!?「我らが目的は―全ての人間を殺し、世界を支配することだ」最奥で彼らを待ち構えていた巨悪、吸血王カインとの絶望的な戦力差の中、凛は世界の理を超越する新たな力を身に付ける!連続限界突破で全ての最強を凌駕する、世界最速の成長譚!!