Ep. 16: Nagisa gives birth to Ushio during a snowstorm but dies shortly after delivery.

16

As winter arrives for New Year's Day, Kotomi shares research on 'Another World,' prompting Tomoya to recall Nagisa's play. Nagisa is in the final months of her pregnancy when she falls ill again. On a heavy snowy day, she goes into labor two weeks early. Unable to reach a hospital in time, Tomoya and her family must assist with a home birth. After a difficult delivery, Nagisa gives birth to their daughter, Ushio. However, the combination of the birth and her illness proves fatal. Nagisa dies moments after seeing her newborn baby. Tomoya, who remained by her side throughout the ordeal, struggles to cope with the sudden tragedy. His dream of raising their daughter together as a family is shattered by this devastating loss.