伴你长久始终都是我自以为
[bàn nĭ zhăng jiŭ shĭ zhōng dōu shì wŏ zì yĭ wéi]
This name translates as 'Accompanying you for a long time, it was always just my assumption'. It expresses regret or disappointment in realizing that what one perceived as true companionship may have been just one-sided thinking. The user felt they were devoted to another, but that devotion wasn’t reciprocated.