First "Girlfriend", Mami is a Weiß Schwarz card from 彼女、お借りします KNK/W86-010. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Card type
Character
Side
Weiß
Color
Yellow
Level
0
Cost
0
Power
1000
Soul
1
Traits
Rent-A-GF
Neo-Standard
Rent-A-Girlfriend
Card Text
【CONT】 All of your other 《Rent-A-GF》 characters get +500 power.
【AUTO】 At the beginning of your climax phase, choose 1 of your characters with "Mami(麻美)" in its card name, and that character gets +1000 power until end of turn.