A marketing campaign focusing on a pair of 2nd-year middle schoolers, [[Misaki Erimo]] and [[Chishima Kiriko]], using them as a way promote the variation of [[kelp]] called kombu (konbu) from the town of Erimo in Hokkaido.

h4. External links

* Wikipedia article on Kombu: http://en.wikipedia.org/wiki/Kombu
* Official website: http://www.seisyun.info/
* Information on the campaign in English: http://shibuya246.com/2009/08/05/moe-konbu-kelp-seaweed/
seishun konbu