Jewelpet Kira☆Deco!

Jewelpet Kira☆Deco! is an anime series that aired from 2012 to 2013 as the fourth entry in the Jewelpet franchise.

Set in Jewel Land, the Jewelpets search for Deco Stones that are scattered across the land in order to restore the shattered Mirror Ball and revive Jewelina, the creator of the Jewelpets who has turned to stone. At the same time, a group of children known as the Kira Deco 5 arrive, seeking out the Deco Stones in order to save Earth from the Eternal Darkness, thus both groups decide to team up to achieve their goals.

OP
Midori's shirt flies up.

Episode 5
Blue lies in bed shirtless as he wakes up Garnet. He also takes his shirt off twice in order to try out a shirt and scarf made in a crochet duel.

Episode 10
Blue dreams about his past as an idol.

Episode 19
Retsu's shirt flies up.

Episode 20
Blue thinks about his past, and he appears naked.

Episode 22
Midori and Kiichi sumo wrestle.

Episode 23
Retsu's shirt flies up.

Episode 31
Midori trains shirtless.

Episode 33
Kaiser takes a shower, and he disrobes.

Episode 45
Retsu rips his shirt off and does sit-ups.

Episode 49
Blue is shirtless while attempting to make Diana laugh.

ED
Blue wears a shirtless vest.