Blade of the Warring States Period!
I will give you a website with a detailed introduction and a download on the last page! Appreciation of classic arcade games (Arcade China 0038): Sengoku Tengai Sengoku Ace Act 2:
.com/jiejiwenzhang/jdjjyxsx0038_zgzr_839.html
Hide the character first: at the question mark 3↑3↓7↑, you can choose~AYIN is very powerful~