我一个良人演一场情深
[wŏ yī gè liáng rén yăn yī chăng qíng shēn]
It implies performing a story of deep affection on behalf of good people. The word '良人' here usually refers to one’s husband or wife; therefore, the person using this online name wants to convey the concept of loyalty and devotion, which are very highly respected values in Chinese traditional culture.