In the public's months since Lila went on her journey.
Kiryu has dealt with so many things. At first, he remained out of the public's sight; he couldn't write music. He couldn't sing or attend school. Just eating and sleeping took a toll on him.
When he finally broke up with her, something inside him broke, and he found himself going to bars again. At first, he refused Rosalia's advances no matter how strongly she came onto him. He drowned his sorrows in alcohol. He resisted for a long time, but when Lila returned to Star Town with Karashima. His bitter feelings increased before he knew it he got so drunk that he once again did something that would make her cry.
While the weather forecasted that it would snow more today, causing a drop in temperature. That didn't matter for these two who were engaged in a lustful activity.