Down-on-his-luck Yakuza member Tatsurou Yamamoto needs to cough up eight million in two days—or else! His last hope is a loan from wealthy businessman Yoshiaki Sagami. But Sagami is using the debt for his own nefarious schemes—to have a tied-up Tatsurou in his bed at last. Tatsurou has no choice but to agree to Sagami’s terms. But is he really that unwilling to have Sagami on top of him?