Disney Plus+ Japan has revealed some of the episode #s for the upcoming Spring Season:
Heavenly Delusion: 13 episodes
My Home Hero: 13 episodes
Blue Orchestra: 24 episodes
Dead Mount Death Play: 24 episodes
Oshi no Ko: 11 episodes
KONOSUBA – An Explosion on This Wonderful World!: 12 episodes
Source:
ディズニープラス、4月は『天国大魔境』を独占配信。『青のオーケストラ』『機動戦士ガンダム 水星の魔女 Season2』『【推しの子】』なども登場
Note: Mobile Suit Gundam: The Witch from Mercury is listed for 25 episodes total so the second half/cour seems to be 13 episodes
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