1boy, 2girls, 4koma, :/, ^ ^, anger vein, bangs, black hair, blue eyes, brown eyes, card, card game, closed eyes, closed mouth, comic, empty eyes, expressionless, facing another, furrowed brow, grey hair, hisakawa hayate, hisakawa nagi, holding, holding card, idolmaster, idolmaster cinderella girls, indoors, long hair, looking at another, multiple girls, old maid, open mouth, parted bangs, playing card, playing games, poker face failure, producer (idolmaster), pulling, serebi ryousangata, short hair, shouting, siblings, sisters, smile, staring, sweat, tearing up, trembling, twins