Welcome to Cafe Enishi Having lost confidence and quit her job, Ema is one day entrusted with managing her grandmother's house and taking care of her beloved cat, Kuro. While her grandmother is away, Ema is determined to properly guard the house when two adorable brothers appear from the backyard door. The two look at Ema and the house with curiosity. And for good reason—beyond the backyard door lies a world she has never seen before…! Following a certain event, Ema starts a cafe in another world. She gradually regains her confidence through delicious food and mysterious connections… A heartwarming tale of interaction between one person and one animal in another world, beginning through the backyard door.

Anthology of D.Gray-man doujinshi written by different artists. Pairings: Allen x Kanda, Kanda x Allen