Digimon Universe: App Monsters

Digimon Universe: App Monsters is an anime series that aired from 2016 to 2017 as the seventh series in the Digimon franchise.

Set in the year 2045, technology has evolved to the point that "App Monsters" or "Appmons", artificially intelligent begins are born within mobile apps. The series follows Haru Shinkai, a middle school student who discovers an Appmon named Gatchmon lurking in his smartphone, and the two become partners to stop the artificial intelligence Leviathan from creating viruses that turn all Appmons evil. As the series progresses, Haru gains the help of the rookie idol Eri Karan, the famous AppTuber Torajirou Asuka, the prodigy hacker Rei Katsura and Haru's best friend Yujin Ozora, each one partnered with their own Appmon to help in the fight to defeat Leviathan and restore the balance between their two worlds.

Episode 7
Torajirou strips and jumps into a pond filled with slime for his latest Apptube video.

Episode 10
Haru, Eri and Torajirou briefly enjoy a swim.

Episode 31
Haru, Torajirou and Yujin are at a hot spring.

Episode 32
Yujin takes a shower.

Episode 41
Haru appears shirtless while performing an Overdrive.

Manga
Haru's jacket flies up.