The Meaning of "Going Out", Aqua (OSK/S121-E081S SR) [[OSHI NO KO] Vol.2]

[AUTO] [(1) Put 1 card from your hand into your waiting room] When you use this card's " Backup", you may pay the cost. If you do, choose 1 of your characters, and return it to your hand.[ACT] [COUNTER] Backup 2000, Level 1 [(1) Put this card from your hand into your waiting room] (Choose 1 of your characters that is being frontal attacked, and that character gets +2000 power until end of turn)