In a rural town where the sound of cicadas begins to be heard in early summer, Ichika returned home from school to find her mother crawling on the floor. 'What should I do? I can't go to volunteer like this...' Seeing her mother struggling with back pain, Ichika insisted on going herself and headed alone to the elderly man's house. This elderly man is a high-aged individual living alone who cannot manage daily life without support. However, Ichika did not know that this elderly man was a terrifyingly lecherous pervert who had set his sights on young and innocent Ichika...
