Cross Ange: Rondo of Angel and Dragon is a mecha anime that aired from 2014-2015.
Angelise is the first princess of the Empire of Misurugi, but is shocked to discover that she is actually a Norma, people who can't use Mana and are oppressed in society. Now stripped of her title and exiled to an isolated island, she works as as soldier.
Tusk and Ange are briefly seen naked.
Episode 5 Edit
Ange meets Tusk for the first time, getting into the first of many misunderstandings between them.
Episode 15 Edit
Ange has a dream involving herself and Tusk due to being drugged. Meanwhile, Tusk is stripped naked and at the mercy of the dragon girls who have never seen a male human before.
Episode 16 Edit
Tusk and Ange end up in an awkward position when Sala and the other dragon girls walk in.
Episode 20 Edit
Hilda sneaks into Tusk's room while the latter is sleeping.
Episode 22 Edit
Tusk and Ange reunite and make love.