Is Chuunibyou demo Koi ga Shitai! Depth of Field: Ai to Nikushimi Gekijou hentai?
English title: Love, Chunibyo & Other Delusions! Depth of Field: Love and Hate Theater
No
Rated PG-13 (Teens 13 or older) on MyAnimeList and not tagged as Hentai.

Special · 2012 · 7 episodes · PG-13 - Teens 13 or older
Mecha
Specials bundled with the first season's BD/DVD volumes that displays a mech fight between Rikka Takanashi and Sanae Dekomori.
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