In an underground world where tunnels extend everywhere, even though they live in dark and confined spaces, people wear protective clothes and lead quiet and enjoyable lives. Patema, a princess…

In the not-too-distant future, androids have come into common usage. However, treating androids on the same level as humans is frowned upon, and there is constant paranoia surrounding the possibility…

Satomi is fine being alone until an AI named Shion joins her class with a song and a promise to make her happy. While Shion’s musical numbers and princess gowns…