お背中流しますよー is a Weiß Schwarz card from リトルバスターズ! LB/W02-020. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Choose 1 of your characters, during this turn, it gets +2500 Power and +1 Soul.
This card was printed in Japanese only; the English text above is an unofficial community translation.