The script for most of the silent panels on pages 21-23 has been found! (Not completely sure of some of these translations):
Page 21: tier 2, right hand panel:
“Udagawa-san, we’re sorry, but we really want to be together.”
“That’s fine—I’m just relieved that I’ll now have a chance to go explore my own sexuality. Call me if you guys ever need anything!”
Left hand panel:
“Gramps-sama, we’re sorry, but the marriage is off because reasons.”
“Harumph.”
Next tier, right:
“Harumin, you have been promoted from Mayor to Queen of the Friendzone.”
“Baka—I knew that before you did.”
Left-hand panel:
“Grandma-san, you look like you need Matsuri’s special nuru massage. Let’s go get comfy.”
Page 22, Top right:
“Girls, as usual Mom is really, really drunk. Tell me this news again in the morning.”
Left:
“God, those two are so boring—and I still don’t like the way Drill-Curls looks at Mei!”
Middle tier, Right:
Matsuri: “Yuzu, do you realize what these nails will do to Mei’s mucus membranes?”
Harumin: “Matsuri, you are so disgusting!”
Left:
“Shipping computer attempting to calculate square root of pi—core stack failure!”
Bottom right:
“Wait, when you said you needed a “sugar daddy” I thought you meant in the confectionary sense.”
Left:
“Good news, my friends—two sisters can have sex!”
Page 23, Top right:
“Back off, old man! Or should I show everyone the secret dossier that made me throw over the whole school thing in the first place?”
Left: (caption): “Aihara DNA prevents the expression of joy.”
Middle tier, right:
Shirapon: “So, Himeko-san, I observe that you’re not wearing any underwear.”
Himeko: “As of course I knew you would.”
Middle panel: (thought balloons from both): “So, two girls CAN have sex . . . .”