Resized to 60% of original (view original)
Artist's commentary
GuP Kindergarten Returns! Story 366 - How to Spend a Rainy Day Part 7
It's important to apologize.
English:
Nonna sings the Russian song "Katyusha".
Kachusha mistakenly thinks she is being made fun of and gets angry with her.
However, it was a misunderstanding and goes to apologize to her.