Each of the six volumes of the Maken-Ki! Blu-rays will carry a 10 minute long short anime "Doki Doki! Maken-ki! Himitsu no Kunren". Secret trainings with the main characters will be animated.
Maken-ki! Secret Training has finished airing and it has 6 Episodes. It is also Known as: マケン姫っ! ドキドキッ!マケン姫っ!秘密の訓練, Maken-ki!: Doki Doki! Maken-ki! Himitsu no Kunren
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Top 5 Anime Like Maken-ki! Secret Training (Maken-Ki! Specials) [2025 List]
5. Queen's Blade OVA Specials

Specials included in the Queen's Blade Premium Visual Book's DVDs.
Queen's Blade OVA Specials has finished airing and it has 2 Episodes. It is also Known as: クイーンズブレイド, Queen's Blade OVA Specials, Queen's Blade: Rebellion OVA Specials
4. Anitore! EX: Jigoku no Training

Special episodes bundled with Blu-ray volume of Anitore! EX.
Anitore! EX: Jigoku no Training has finished airing and it has 5 Episodes. It is also Known as: あにトレ!EX「地獄のトレーニング」, Anitore! EX Specials, Anime de Training! EX Specials, Ani Tore! EX Specials
3. Dumbbell Nan Kilo Moteru?: Silverman-Gym Oni Tore Kouza

Specials included on the Dumbbell Nan Kilo Moteru? DVD/BD volumes 3 and 4, respectively. Also included in Funimation's US Blu-Ray release. They are completely new extensive versions of exercise sessions normally seen at the end of each TV anime episode.
How Heavy Are the Dumbbells You Lift?: Silverman Gym Intense Training Course has finished airing and it has 2 Episodes. It is also Known as: シルバーマンジム鬼トレ講座, Silverman-Gym Devilish Training Course, Dumbbell Nan Kilo Moteru? Specials
2. Grisaia no Rakuen Specials

Short specials included in the Blu-ray and DVD releases.
The Eden of Grisaia Specials has finished airing and it has 5 Episodes. It is also Known as: グリザイアの楽園, Le Eden de la Grisaia Specials
1. Issho ni Training: Training with Hinako

"First muscle training animation ever," a 16-year-old girl named Hinako leads exercises in push-ups, sit-ups, and squats. Hinako was once a human, but she was turned into an anime character when she was a second-year middle-school student.
Issho ni Training: Training with Hinako has finished airing and it has 1 Episodes. It is also Known as: いっしょにとれーにんぐ, Isshoni Training: Training with Hinako