Isekai de Ikinari Keikenchi 2 Oku Point Teniiremashita

Due to a slip-up by the Goddess, Kazuya died and was literally blasted off into another world. Hurled into the land of the Beastmen, he coincidentally crashed head-on into a dragon attacking the Empire, killing it. As a result, he gained 200 million XP and received a special skill. Going along with the flow, Kazuya ended up defeating the enemy general and became a legend amongst the beastmen overnight. The beastmen hailed him as the “Hero of the Light” as depicted in their legend which he tried to deny at first, but was unable to do so in the following festivities. Seizing the opportunity, the Elves joined into the fray. In the midst of the harsh battle, Kazuya faced off with what was the Elf’s greatest swordsman—! Source: AlphaPolis