Responses
Because in that moment, they both feel really warm being next to each other
they're both embarrassed and blushing by their statements so they're using the cold as an excuse to cover up the real nature of their current state.
Thank you both for your replies!!
Can someone explain why it was a lie when they both said "it's now cold" at the last page?
Thank you for translating thisss!! 4 more chapterrrss. ヾ(☆▽☆)