Booster pack listings
https://buyee.jp/item/yahoo/auction/w179725042?lang=en&rc=yaucc
https://buyee.jp/item/yahoo/auction/w179725042?lang=en&rc=yaucc
https://buyee.jp/item/yahoo/auction/g165329163?lang=en&rc=yaucc
https://buyee.jp/item/yahoo/auction/t504548119?lang=en&rc=yaucc

Card sets
https://buyee.jp/item/yahoo/auction/d198999855?lang=en&rc=yaucc
https://buyee.jp/item/yahoo/auction/j409985859?lang=en&rc=yaucc this one is really expensive

Poster - https://buyee.jp/item/yahoo/auction/249235006
Tea mug - http://www.suruga-ya.jp/product/detail/992005097001
Vocal collection CD, has him on the cover art - http://www.fromjapan.co.jp/en/special/order/confirm/https%3A%2F%2Fwww.amazon.co.jp%2Fdp%2FB006O4VMB2/3_1/lgk-link_search