Isekai Meikyuu no Saishinbu o Mezasou

An ordinary kid named Aikawa Kanami finds himself in a fantasy world governed by RPG video game rules—but this is far from good news. He awakens deep within a colossal death trap known as the Dungeon. Through sheer grit, cunning, and his newly acquired magic spells and skills, he narrowly escapes. All Kanami wants now is to return home to Earth, to the invalid sister who depends on him. His only clue? It's rumored that whoever reaches the hundredth and final level can have any wish granted. In his desperation, Kanami devises the most efficient strategy to clear the Dungeon and convinces an aspiring swordfighter to join him. This partner is terrible with a blade but incredibly skilled at magic. Kanami's cool determination is soon tested when they face an unexpected boss fight. How far will he go to ensure victory?