image translation by chatgpt:

"これもキントレの一環だぜよ"
"This is also part of strength training, you know!"

「これもキントレの一環だぜ」
"This is also part of strength training" (Casual, masculine tone)

pixiv description:
"あつもり（裏)"

"Animal Crossing: New Horizons (Secret/Hidden/Alternate)"
-chatgpt translation

the other tiny things translated by me