Tolong jelaskan mengenai "Okuba" dari Bokura no Eureka dalam bahasa melayu

Team N: Ogasawara Mayu, Kishino Rika, Kinoshita Haruna, Yamaguchi Yuuki, Kadowaki Kanako, Yamamoto Sayaka

Team M: Azuma Yuki, Yamagishi Natsumi, Yamada Nana, Murakami Ayaka

Team BII: Kusaka Konomi, Kamieda Emika

Team N: Ichikawa Miori, Koga Narumi, Kondo Rina, Watanabe Miyuki

Team M: Mita Mao, Okita Ayaka, Kawakami Rena, Yagura Fuuko, Kinoshita Momoka

Team BII: Kurokawa Hazuki, Muro Kanako, Kobayashi Rikako

"Hinadande wa Boku no Miryoku wa Ikinainda"

Team N: Shiroma Miru, Nishimura Aika

Team M: Murase Sae, Yogi Keila

Team BII: Akazawa Hono, Ota Yuuri

Kenkyuusei: Shibuya Nagisa, Yamao Rina

Team BII: Ishizuka Akari, Ijiri Anna, Ueda Mirei, Umehara Mako, Saki Kono, Yamauchi Tsubasa

Kenkyuusei: Akashi Natsuko, Ishida Yumi, Ishihara Masako, Uno Mizuki, Odan Mai, Ogawa Noa, Kawakami Chihiro, Shimazaki Momoka, Takayama Riko, Terui Honoka, Nakagawa Hiromi, Nakano Reina, Nishizawa Rurina, Hayashi Momoka, Matsuoka Chiho, Matsumura Megumi, Miura Arisa, Morita Ayaka, Yamao Rina