Tomodachi no Imouto ga Ore ni Dake Uzai - Volume 4, Chapter 3: Only towards the little sister, memories of the friend are a topic

A story about a traveler who crossed into a parallel universe, relying on his Proficiency ability to continuously grind experience and become stronger.

As the heir apparent of the Ye family, Ye Xuan went through fire and water for his family, but Ye Lang, who had just awakened his Divine Soul, usurped his place. In order to keep his position, Ye Xuan challenged Ye Lang to a Life-death Duel. With the broken Dantian, would he win this fight? The black ring his mother left brought him a great opportunity: Realm Hell Tower, where he met a mysterious lady, who told him to look for nine Daoist Laws to enhance his strength and gave him the Spirit Heaven Sword. Could Ye Xuan find all the Daoist Laws and become a powerful swordsman?

- Description from Novelupdates

“Listen up, my obedient disciple, it's time for you to descend from this mountain. Your master has arranged a marriage for you with a stunning beauty, and it's quite a steal!”With those words, the master absconded with the dowry, leaving Lin Chen feeling both aggrieved and furious. Determined, he descended the mountain to find his betrothed.However, fate had other plans, as he was waylaid on the road by a captivating woman who insisted he play the role of her fake boyfriend. To make matters even more bewildering, this woman bore an uncanny resemblance to his intended bride!

Having transmigrated to a new world and becoming an ordinary Blacksmith in a Blacksmith Shop, Ye Feng shortly has the Master Blacksmith System activated.