kotoyoro
Short for 今年も宜しくお願いします (kotoshi mo yoroshiku onegai shimasu), the second part of traditional New Year's greetings, comes after akeome. It's somewhat difficult to translate into English, meaning roughly "this year we hope for your support/good relationships as well".
Use this tag on pics that display this greeting.
See also
This tag implicates new_year (learn more).