Elf Dorei to Kizuku Dungeon Harem: Isekai de Netotte Nakama wo Fuyashimasu

Reincarnated in another world, Mars sets out to conquer its greatest dungeon and claim a legendary forbidden magic book with unimaginable power. He travels with Lilia, an elf slave, as they pursue his goal together. Mars’s intimate relationship with Lilia frequently slows their progress through the journey. Their adventure centers on his quest to reach the dungeon’s depths and obtain the book.