|This article is about a/an episode in Mashin Sentai Kiramager.|
Sena and Sayo are enjoying a brief break at a trendy cafe. When she heard that the sweets she was looking for were sold out, Sayo notices Sena immediately switching out and going for the second one, with Sayo being incredibly impressed at the speed she made that decision. Then, Yodonna appears after she was ordered by Emperor Yodon to "Find Oradin" she immediately goes to Earth to do as she was told. Although Yodonna was outnumbered during their fight, Yodonna's whip suddenly hits Sena, splitting her into five. There's a positive Sena, a cute Sena, a smart Sena, a grateful Sena, and lastly, a negative Sena. All five Sena's seem to have different personalities. Just then, Galza's Smog Jouki suddenly appears in the city.
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- Juru Atsuta (熱田 充瑠 Atsuta Jūru): Rio Komiya (小宮 璃央 Komiya Rio)
- Tametomo Imizu (射水 為朝 Imizu Tametomo): Rui Kihara (木原 瑠生 Kihara Rui)
- Sena Hayami (速見 瀬奈 Hayami Sena): Yume Shinjo (新庄 由芽 Shinjō Yume)
- Shiguru Oshikiri (押切 時雨 Oshikiri Shiguru): Atom Mizuishi (水石 亜飛夢 Mizuishi Atomu)
- Sayo Oharu (大治 小夜 Ōharu Sayo): Mio Kudo (工藤 美桜 Kudō Mio)
- Takamichi Crystalia (クリスタリア宝路 Kurisutaria Takamichi): Kohei Shoji (庄司浩平 Shōji Kōhei)
- Muryou Hakataminami (博多南 無鈴 Hakataminami Muryō): Daimaou Kosaka (古坂大魔王 Kosaka Daimaō)
- Princess Mabushina (マブシーナ姫 Mabushīna-hime, Voice): Inori Minase (水瀬 いのり Minase Inori)
- Mashin Oradin (魔進オラディン Mashin Oradin, Voice): Tomokazu Sugita (杉田 智和 Sugita Tomokazu)
- Mashin Fire (魔進ファイヤ Mashin Faiya, Voice): Kenichi Suzumura (鈴村 健一 Suzumura Ken'ichi)
- Mashin Mach (魔進マッハ Mashin Mahha, Voice): Kenji Akabane (赤羽根 健治 Akabane Kenji)
- Mashin Carry (魔進キャリー Mashin Kyarī, Voice): Ayaka Maekawa (前川綾香 Maekawa Ayaka)
- Mashin Zabyun (魔進ザビューン Mashin Zabyūn, Voice): Hiroyuki Yoshino (吉野 裕行 Yoshino Hiroyuki)
- Mashin Hakobu (魔進ハコブー Mashin Hakobū, Voice): Tetsu Inada (稲田徹 Inada Tetsu)
- Emperor Yodon (ヨドン皇帝 Yodon Kōtei, Voice): Kazuhiro Yamaji (山路 和弘 Yamaji Kazuhiro)
- Demonic General of Betrayal Galza (裏切りの鬼将軍ガルザ Uragiri no Oni-Shōgun Garuza, Voice): Yuuichi Nakamura (中村 悠一 Nakamura Yūichi)
- Mask of Darkness Carantula (闇の仮面遣いクランチュラ Yami no Kamen Tsukai Kuranchura, Voice): Yasuhiro Takato (高戸 靖広 Takato Yasuhiro)
- Yodonna (ヨドンナ) : Nashiko Momotsuki (桃月なしこ Momotsuki Nashiko)
- Coffee Shop Clerk: Rina Miyazaki (宮崎理奈 Miyazaki Rina)
- Father: Atsushi Nakamura (中村敦 Nakamura Atsushi)
- Kiramai Red: Shigeki Ito (伊藤茂騎 Itō Shigeki)
- Kiramai Yellow: Masato Tsutamune (蔦宗 正人 Tsutamune Masato)
- Kiramai Green: Ryoko Gomi (五味 涼子 Gomi Ryōko)
- Kiramai Green clones: Various
- Kiramai Blue: Yasuhiro Takeuchi (竹内 康博 Takeuchi Yasuhiro)
- Kiramai Pink: Ayumi Shimozono (下園 愛弓 Shimozono Ayumi)
- Kiramai Silver, Mashin Henkei GigantDriller: Masashi Takada (高田 将司 Takada Masashi)
- Emperor Yodon, Mashin Gattai Kiramaizin: Yohei Fujita (藤田 洋平 Fujita Yōhei)
- Princess Mabushina: Mizuho Nogawa (野川 瑞穂 Nogawa Mizuho)
- Demonic General of Betrayal Galza: Keizo Yabe (矢部 敬三 Yabe Keizō)
- Mask of Darkness Carantula: Naoko Kamio (神尾 直子 Kamio Naoko)
- Mashin Gattai King Express: Hirotsugu Mori (森 博嗣 Mori Hirotsugu)
- Mashin Gattai Grateful Phoenix: Shinsuke Kusano (草野 伸介 Kusano Shinsuke)
- Darkness Megabeast Mecha Smog Jouki: Kenya Saito (齊藤謙也 Saitō Kenya)
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- As part of Super Hero Time, this episode aired alongside Kamen Rider Saber episode 16, Chapter 16: Saving the World, A Ray of Light.
- Pre-Credits Scene: Yodonna is shocked to learn that Emperor Yodon is inside her and to which Carantula comments that it’s like "she has another personality".
- This is the last Kiramager episode to air in 2020.
- The title of the episode is a reference to the Ranma ½ (らんま1/2 Ranma Nibun-no-Ichi) manga, which has been adapted into various media, including a 2011 television movie.
- When Muryou merges Sena 1 and Sena 2 together, he performs it in a manner mirroring the dance from Pikotaro's hit song PPAP.
- The Sena clones have numbers on the right side of the chest that move to their helmets when transformed as Kiramai Green. Much like Kyoryuger's Debo Yanasantas, the merged clones have combined numbers displayed from smallest to biggest.
- This episode strongly tackles the sensitive subjects of depression and suicide
- TV Asahi's official preview for せな1/5
- Toei TV's official episode guide for せな1/5
- JAE's official episode guide for せな1/5