夏と水着とバイクと洗車

Choose 1 of the following 2 effects and resolve it,

a) "Choose 1 <Grisaia> character in your Waiting Room, add it to hand."

b) "(1) You may pay cost. If you do, look at up to 3 cards from the top of your deck, and put them back on top in any order, then choose up to 1 of your opponent's characters, return it to hand."