Hoshizora, who lost her husband at an early age, buried her loneliness by pouring her love into her only son. But her sweetness creates an opening for her debt collectors to take advantage of her son. Hoshizora, terrified of her demanding visits without her, finally decides to offer his body in return for her grace of repayment. The rugged caresses of her debt collectors forcefully drag out her sensuality sleeping inside her beautiful mother...
