Japanese title: 加賀さんは開発に失敗しました
Group: Yotsumi Works
Author: Tamago and Suzuru (credited from the first book to Kai-5 only)

Summary:
Kaga-san Failed the Development: post #1956908
Kaga-san Failed the Development Kai: post #1976356
Kaga-san Failed the Development Kai-2: post #1980843
Kaga-san Failed the Development Kai-3: post #1981967
Kaga-san Failed the Development Collected Volume 1 [sample]: post #2495522
Kaga-san Failed the Development Kai-4: post #1988944
Kaga-san Failed the Development Kai-5: post #1989857
Kaga-san Failed the Development Kai-6: post #2055208
Kaga-san Failed the Development Collected Volume 2 [sample]: post #2341917
Kaga-san Failed the Development Kai-7: post #2165793
Kaga-san Failed the Development Kai-8: post #2358010
Kaga-san Failed the Development Kai-9: post #2341904
Kaga-san Failed the Development Collected Volume 3 [sample]: post #2697249
Kaga-san Failed the Development Kai-10: post #2434496
Kaga-san Failed the Development Kai-11: post #2546621
Kaga-san Failed the Development Kai-12 [sample]: post #2798213
Kaga-san Failed the Development Kai-13 [sample]: post #2933450