What’s Inside the Box (箱の中身はなんだろなゲーム) is a special manga chapter of the Overlord: The Undead Oh! series.


Climb is called by Renner Theiere Chardelon Ryle Vaiself for a little game she and her friend Lakyus Alvein Dale Aindra are playing. She asks Climb to put his hands through some cut-outs in a half-opened box to touch the contents of a large covered box. The girls have Climb recover his armored gauntlets for the play to out. Climb complies as notices that the princess has vanished. He places his hand through the mystery box. Immediately he withdraws his digits, shocked upon feeling that the substance in the box is melting. Laykus asks him if he thinks that the contents of the box is alive which he agrees. Climbs thinking believes that the princess is in the box and is licking his hands. He is embarrassed by the princess. Lakyus pities the boy as she can see the contents of the box on her side, which reveals to be Renner holding a puppy to the boy's hands to lick them.

Character Appearance

Known Locations

Chapter Notes


Overlord: The Undead Oh! Chapters
Volume 1
1 2 3 4 5 6
Volume 2
7 8 9 10 11.1 11.2 12
Volume 3
13 14 15.1 15.2 16 17 18
Volume 4
19 20.1 20.2 21 22 23 24
Volume 5
25 26 27.1 27.2 28 29 30
Volume 6
31 32.1 32.2 33 34 35 36 Bonus
Not in a Volume
37 38 39
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