I'm so Crazy That I'm Going to Burst into Flames. Black and White Are Begging Me to Stop.

[Urban daily life + multiple heroines + past events in the world] Liang Fengyang, a young man from the county town, has a wild nature and possesses unique skills in fighting and throwing knives. People call him the number one madman in Qinghu County. In August of a certain year, Liang Fengyang met his noble lady, a wealthy daughter from the big city of Yanjin who came to Qinghu County for a trip. Liang Fengyang started a wild life... His strength is incredible, and no one in the world knows you.