by2 sisters, Miko and Yumi, were once a household name with their chart-topping hits like "Love Ya Love Ya" and "A Little Sweet". However, they have since changed their names to Sun Huan and Sun Yu respectively. This change has left many fans wondering why they would do such a thing. The truth is that the duo's contract with their original record label had expired, and they decided to part ways. They then established their own production company.

The reason for this change in name was not just about rebranding themselves but also about starting anew. Many netizens believe that the new names are quite ordinary and may not be as memorable as BY2. An artist's name can play a significant role in shaping their career path.

As for by2's connection to Wang Likun (王力宏), it is worth noting that after Liang Le (李靓蕾) divorced him, she revealed some intriguing information about by2's relationship with Wang Likun. Various marketing outlets also published images of by2 allegedly flirting with Wang Likun on chat apps.

BY2 quickly reported these rumors to the police, who later found no evidence of any wrongdoing on either party's part. In response to these allegations being proven false, Liang Le quipped "Seeking hammer if you dare give one."

However, there has been recent news regarding Liang Le's case against Wang Likun; due to lack of evidence supporting her claims of infidelity or any connection between BY2 and Wang Likun beyond mere acquaintance status from performances at awards ceremonies together which led both parties' legal teams towards an amicable settlement ending up in court orders against them both for contempt of court proceedings over By 2023 end year report ,both parties settled out of court as well .