旧时光影里的柠檬少年
[jiù shí guāng yĭng lĭ de níng méng shăo nián]
The net name evokes the image of a young boy in the shadow of old times, possibly bittersweet like lemon. 'Lemon boy' could imply youthful naivety and purity, contrasted with or shaped by the complexities and emotions embedded in old memories.