Shiino one day finds out that her best friend Mariko has committed suicide. After snatching Mariko's urn from her abusive father, Shiino heads to Marigaoka Cape, a place Mariko always wanted to go.

Anna, a 10-year-old girl, runs away from home after an argument with her mother and finds herself being pursued by Shocker. After managing to hop onto DenLiner, the train that crosses time, she gets off in 1989 and has a great adventure with Momotaros and others.

Two young skaters, polar opposites in personality, team up to train for an ice-dancing competition, their growing bond blurring the lines between partners and more as winter unfolds.