on 29 february 2008, shimizu competed in chikara's 2nd annual king of trios tournament, representing el dorado alongside fellow japanese indy wrestlers michael nakazawa and go. the team was eliminated in the first round by the colony (fire ant, soldier ant and worker ant). on 2 march, the third night of the tournament, shimizu and go entered a tag team gauntlet match. shimizu managed to eliminate "las chivas rayadas" (chiva iii and chiva iv) with the marshmallow hedgehog, before the team was eliminated by "the sweet 'n' sour incorporated" (sara del rey and bobby dempsey).