Tier LoveTier Love Executive Committee EventsFactoryGoodsGraphicsLogos / IP support Staff credits Issay Kitagawa/ Masayoshi Zenigame Related works Nipponno Daiwa Lease Co., Ltd. Juchheim Juchheim Co.,Ltd. Survival foods Sei Enterprise,Inc. TANGO OPEN Tango Chirimen 300 Years Business Exhibition Executive Committee Y’s Corporation WISE Corporation. IPPUKU Towershita Co., Ltd.