After Helping Someone, Kenshin Himura (RKN/S115-E007 R) [Rurouni Kenshin]

[AUTO] At the beginning of your opponent's attack phase, if all of your characters are "Meiji Romantic Story", you may put the top card of your deck into your waiting room. If that card is a level 2 or lower character, this card gets the following ability until end of turn. "[AUTO] When this card is frontal attacked, you may return this card to your hand."