Some of these usernames are up for sell with a fixed price system and can be negotiated, you just offer them.

✪ Idol.
@Ninqning bo Ningning : 120k
@Chaerybeong bo Chaeryeong : 55k

✪ Anime.
@Inupsi bo Inupi : 25k
@Qumanxi bo Quanxi : 17k

✪ Character Genshin.
@lNingguang bo Ningguang : 12k
@Beidoui bo Beidou: 12k

Payment is only available for Dana and Qris (+1k). You can pay in installments by reading the regulations first. contact @Perssibot if you are interested.