How do I get a pretty girlfriend?

Yuzuru Kaito's life has been a constant challenge in the cold streets of the city. But everything changes when he enters the second floor of the Tower of the Gods, located in the mysterious Twilight Forest. As an F-rank adventurer, the need for basic resources is a daily struggle for Yuzuru. But all that changes when he encounters a mysterious and beautiful S-rank girl with snow-white hair. From that moment on, his only goal is to impress her and prove that he is worthy of being by her side. Will he do anything to reach his goal, Yuzuru will face dangerous creatures, treacherous traps and powerful enemies on his way to the top. Will he manage to rise through the ranks and reach the girl of his dreams, or will he be stranded on the road to greatness?