Carolling: Christmas no Kiseki S01E05 - 'Only one wish'

Keiko (Sakurai Junko) was terribly shocked to find out that her son Kohei (Fuku Suzuki) was secretly meeting her husband, Yuji (Masanori Ishii), who was living apart from her. Kohei, who was advised by Shunsuke (Takahiro Miura) to show Keiko the story notes he writes every day, decides to hand over her notes and convey his feelings to her mother. That night, Shuko (Yuka) tells Shunsuke that she will meet her at the end of the year, but Shunsuke can't convey her honest feelings, and the distance between the two becomes even further.