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

A young man reborn in another world travels with an elf named Lilia, aiming to conquer seven major dungeons and acquire the "Tome of Forbidden Magic." He frequently delays his progress due to spending most of his time with Lilia in an intimate manner. Their journey continues at a leisurely pace as they pursue their objective.