Type :ukiyo_pink_paw: in any channel on ₊ ˚ꮺ Ukiyo ✿₊ ˚ to post it.
Using it on other servers or in DMs needs Discord Nitro.
To add it to a server you manage, download the PNG, then open Server Settings → Emoji → Upload Emoji. Discord takes PNG, JPG and GIF files up to 256 KB.