Dragon Crisis!

Dragon Crisis! is a light novel series that received an anime adaptation which aired in 2011.

The story follows Ryuji Kisaragi, a seemingly normal high school student who lives a peaceful life until his second cousin Eriko returns from aboard one day. Dragged to an underground transaction, they end up stealing a large relic box containing a dragon girl that they decide to name Rose. In order to protect Rose from black market organizations that are out to capture her, Ryuji relies on his powers as a Level 10 relic handler.

Episode 1
Ryuji appears naked, and his shirt flies up.

Episode 3
Ryuji's shirt flies up, and he appears naked.

Episode 4
Ryuji and his friends visit the beach.

Episode 5
Masato is still at the beach.

Episode 6
Ryuji takes a bath.

Episode 7
Ryuji appears naked while being attacked.

Episode 8
Ryuji has his measurements taken, Masato's shirt flies up, and Ryuji undergoes a few tests.

Episode 11
Ryuji's shirt flies up as he takes out his dagger.