Treading on Fire, Yuwen Jun!

Yuwen Jun (Cheng) came to Japan to get married because of childhood arrangement. Instead he got himself into a thrilling journey where kendo masters, detective sisters, and young misses of rich families are entangled with him. Yuwen Jun was stunned while facing so many unexpected incidents: "I just came to get married…" Note: There was no chapter 13. The author skipped it.