只是孤寂
[zhĭ shì gū jì]
Translating to 'Just Loneliness'. '只是孤寂' reflects solitude as if there isn’t any other thing besides this feeling of loneliness. The choice of this pen name could signify the user wanting to embrace or express feelings of being alone in some way. Maybe it is not about actual physical aloneness, rather more towards an inner emptiness.