Death Marching to the Parallel World Rhapsody

Suzuki, an adult programmer, suddenly notice that he's been thrown into a different world while wearing a casual clothes at level 1. He gained high level and treasures after using the 3-times-disposable-magic, Meteor Shower, once. After that he intend to do different world "sightseeing tours"?  Meeting 3 beast girls, beautiful purple and black haired sisters and an eccentric blond haired elf girl along with various people during his trip. Although there are occasional fights with demon and demon lord, this is a heartwarming fantasy story at heart.