Some translations, courtesy of danbooru (of course also remember to read from right to left)
>>25771
1st panel: "The Valentine"
2nd panel: "The story of February 14th"
3rd panel: "Nagato-san..."
4th panel upper right: "Today is, you know, Valentine's Day right?"
4th panel lower left: "In this country, don't they say there's a custom where you give chocolates to people that have taken care of you?"
(Text underneath): "That's a little off"
"... And so."
>>25772
2nd panel: "...W, what do you think? I tried making this for you."
3rd panel: "It's 100% hand made, without using information manipulation."
Smaller text: "It took a lot of time, and ended up a bit crooked, but..."
"The ingredients are high-quality, too. I ordered them specifically for making this."
4th panel: " I, it looks like I've overdone the decorations a bit, but..."
"They, that is... my, my feelings, um... mumble mumble"
Last panel: "...but, without any emotion..."