我愿变你的凹凸曼我愿变你的小怪兽
[wŏ yuàn biàn nĭ de āo tū màn wŏ yuàn biàn nĭ de xiăo guài shòu]
This nickname implies a desire to transform into 'Hero Aotuman' (Chinese dub of 'Astro Boy') and the 'little monster,' which in context means being the one who protects and fights alongside the beloved. In China, 'Aotuoman' represents a strong, loyal protector for children, and the phrase showcases an intention to offer all forms of care to a special someone.