Real name: Saya Amamiya Personality: Hectic, energetic, loud Gender: Female Speech style: Polite (honorifics) First person: I (polite) Reason for climbing: To photograph Meme as she reaches the summit ~Other Info~ Probably the loudest in the party. A photographer who came to capture Meme's summit moment.

Japanese Real name: Meme Hakamori Personality: Hectic, energetic, loud, surprisingly calm Gender: Female Speech style: Gentle, casual First person: I (casual) Reason for climbing: Wants to smoke a cigarette at the summit ~Other Info~ Quite loud within the party. Loves gambling and smoking.

Real name: Zen Mochizuki Personality: Common sense, sensible, loud Gender: Male Speech style: Polite (honorifics) First person: I (soft, polite) Reason for climbing: To find a close friend who was in the First Expedition ~Other Info~ One of the more sensible members of the party. Calm. A fairly famous mountaineer. Usually makes a living by climbing mountains and writing about his experiences on a blog. Recently, since some people have been littering cigarettes on mountains, he carries a portable ashtray.

Japanese Real name: Rikka Awayuki Personality: Strong-willed, bright Gender: Female Speech style: Casual First person: I (casual) Age: 26 Reason for climbing: Because the mountain is there ~Other Info~ In terms of stats, she's a slightly pretty but dim-witted sickly person. A skilled mountaineer in the community. Surprisingly good at going along with the mood.

American Real name: Bob Season 7 Personality: Strong-willed Gender: Male Speech style: Casual First person: I (rough, casual) Age: 40 Reason for climbing: Personally interested in climbing the mountain range ~Other Info~ A photographer, but also possesses high climbing skills. Came from America to capture Rikka Awayuki in photos.

Real name: Noboru Iwao Personality: Slightly timid Gender: Male Speech style: Slightly hesitant, close to polite First person: I (casual) / Myself Age: 25 Reason for climbing: To conquer the Mountains of Madness ~Other Info~ Conquered the 100 Famous Japanese Mountains and the 100 Highest Mountains in Japan. Quit mountaineering once but returned. Inspired by Zen Mochizuki's blog, he started his own. Has appeared in the media with Zen Mochizuki before. Older than Zen, but calls him "Senpai." Currently makes a living through mountain photography and lectures.

Real name: Chako Yamayaya Personality: Super energetic Gender: Female Speech style: Cheerful First person: I (casual) Age: 28 Reason for climbing: To confirm the success or failure of the Second Expedition's summit attempt ~Other Info~ Researcher & Mountaineer

American Real name: Noborsky Hinayama Personality: Approachable Gender: Male Speech style: Friendly First person: I (casual) Age: 40 Reason for climbing: Because Ochako Taterunosky went with the First Expedition and never returned ~Other Info~ Worked as an ordinary office worker. Often finds himself in lucky pervert situations.

Real name: Kevin Kingston Gender: Male First person: I (soft, polite) Leader of the Second Mountains of Madness Expedition. Nicknamed "K2" after his initials and a mountain he has summited. A skilled climber with records for summiting numerous 8,000m peaks. A steady mountaineer who prioritizes safety.

Cozy Ouskor Gender: Male First person: I (rough, casual) Scion of the Ouskor Foundation. A troublemaker, depicted as a sheltered, naive rich kid. Despite his immaturity, he has a sense of justice and room for growth. Speaks logically. A coward at heart but acts tough on the surface. Equipped with expensive gear across the board. Goes by the name Cozy.