昼間の底辺探索者は夜の支配者！？　～異世界転生しても底辺だったが、どうやら自分は吸血鬼だったらしい。真の力に目覚めたので女を支配し、成り上がる！～ (Associated Names)

After Luke’s boring life ended because of an unexpected accident, he reincarnated and became a labyrinth explorer. However, he couldn’t advance beyond E-rank, despite being an explorer for 15 years. Furthermore, the guild has a rule that mandates explorers to retire if they do not reach D-rank by the age of 30. Since there was…