To All of Mankind is an engaging adventure game set in Tokyo's vibrant Akihabara district. Players follow the lives of five cheerful girls who have been abandoned and must rely on each other for support and companionship. The game's core theme revolves around friendship and cooperation as the characters navigate their daily lives, emphasizing positive interactions and shared experiences.

The gameplay features a variety of activities that the girls partake in, such as cooking, relaxing, and enjoying each other's company. Each moment is infused with a sense of joy and camaraderie, making the experience heartwarming and captivating. With its unique setting and focus on uplifting narratives, To All of Mankind offers players a delightful escape into a world of friendship and happiness.