Kokoro no Kanashimi

This anthology showcases the Nishioka siblings' storytelling approach through a series of contemplative one-shots. Each piece focuses on everyday individuals, portrayed in a dreamlike and symbolic visual style. The stories include reflections on personal loss, familial bonds, and existential themes. Notable entries examine emotions such as heartbreak, loneliness, and the complexities of love and life. Illustrations are unconventional, emphasizing mood and metaphor over realism. The collection is presented across various volumes, with each story standing independently. Themes often revolve around inner turmoil and the surreal nature of human experience. The writing avoids typical narrative structures, instead favoring introspection and ambiguity.