This came as a surprise, they were going to release a DVD boxset for Mayopan after all ;)
Mayonaka no Panya-san DVD/Blu-Ray Box
4 discs (Episodes 1-8 / 384mins) + 1 bonus disc (51mins)
Bonus feature: Making of Mayonaka no Panya-san (38mins) & round-table talk (13mins)
*HMV states that there’s a bonus booklet.