Season 1
(2025)
Cast
as Kazushige Sanda (voice)
as Santa Claus (voice)
as Shiori Fuyumura (voice)
as Ichie Ono (voice)
as Hitoshi Amaya (voice)
as Nico Kazao (voice)
as Hifumi Ōshibu (voice)
as Saburō Yagiuda (voice)
as Toyo Tetsudome (voice)
Episodes
Everything's Bright, Am I Aging? 7.6
October 4, 2025
On a Dec 25 without Christmas, Sanda is attacked by classmate Shiori. Mistaking it for love, he awaits her confession, …
Candies, Canes, Kisses, and Blades 6.0
October 11, 2025
Amaya learns Sanda is Santa, restrains him and Shiori to force a kiss. Santa refuses, unlocks sled power to escape. The…
Charred Fruit Tastes All the Sweeter 5.0
October 18, 2025
Sanda gains lie-detecting power. Shiori tries to use it to find Ono, but doubt overwhelms Sanda. Shiori then tells a se…
Zeus, Smasher of Textbooks 7.0
October 25, 2025
At a funeral, Santa fights Yagiuda but fears his power. His resolve returns, shattering the roof and leaving him expose…
A Typhoon in a Snow Globe 8.0
November 1, 2025
Sanda vows never to love, but in a typhoon his message to fiancee Niko fails and he's drawn to her. The next day, Yagiu…
Cyborg vs. Santa Claus 9.0
November 8, 2025
Santa blocks Headmaster Oshibu from attacking adult Ono, but the enhanced 92-year-old overpowers him. Santa asks the ki…
Double-Faced Carnivorous Plant 7.0
November 15, 2025
Amaya ends his friendship with Sanda to save him. Meanwhile, the scarred Oshibu, comforted by Yagiuda, turns to Class 1…
Love, the Most Selfish Thing There Is 8.0
November 22, 2025
Saved from Namatame by Shiori, Santa vows to harden his heart, but when Niko asks for a kiss, Sanda panics and almost t…
A Fake Flower, Yet Its Roots Rot 9.0
November 29, 2025
Tetsudome says Santa lacks grit. With her aid Sanda becomes dark Santa, but doubts himself. After meeting Namatame agai…
You, an Everlasting Moment 9.0
December 6, 2025
At the Peak of Youth Ceremony, Niko steals Sanda's first kiss at twilight. Meanwhile Yagiuda faces Namatame alone, offe…
Flashback Attack 9.0
December 13, 2025
Namatame wrecks the ceremony. Eating yakisoba, she's met by Sanda in child form. His body starts breaking down as Ono's…
Pale Blue Pall 9.0
December 20, 2025
Santa fights Oshibu before the students. The headmaster thrives on cheers, but Santa regains power by revealing his tru…