Trap Box (トラップボックス, Torappubokkusu) is an alien monster, and a mysterious being which takes on the form of an unnasuming treasure chest. Identifying himself as a male, trap box is a fully sentient, intelligent entity which possesses intellect that is easily human level. Trap box is obsessed with treasure, riches, gold, jewels and valuables, and as such he is a perfect member for the victory space pirate gang that is lead by the infamous yomako victory, as a crew member who continuously fights to steal and pillage, and take treasure for his own.