How I Attended an All-Guy's Mixer

A live-action television drama adaptation aired from October to December 2022. An anime television series adaptation produced by Ashi Productions aired from October to December 2024.

College student Tokiwa gets invited to a mixer (合コン gōkon) by his female classmate Suou, and is able to bring along two other friends as Suou will be accompanied with two of her coworkers. By the time he arrives at the meet up spot with his friends Asagi and Hagi, they are confused and flustered to be greeted by not three cute women but instead three women who are dressed as dazzlingly handsome men.

Suou (蘇芳, Suō) Voiced by: Mikako Komatsu (PV, anime) (Japanese); Jade Kelly (English) Portrayed by: Hiroki Nanami The main female protagonist. She attends the same university as Tokiwa and was the one who invited him to a mixer between his friends and her colleagues. She works part-time at a cross-dressing bar and keeps up a prince-like persona towards patrons; she keeps a low profile on campus while maintaining her bar appearance, leading other students to mistake her for a man and dub her as the "SSR Prince" (SSRのプリンス, SSR no Purinsu). Tokiwa (常盤) Voiced by: Yoshiki Nakajima (PV), Shunsuke Takeuchi (anime) (Japanese); Jeremy Gee (English) Portrayed by: Sora Inoue The main male protagonist and Suou's partner. He attends the same university as Suou but was not close with her prior to the mixer, and is friends with Asagi and Hagi. He was invited by Suou to attend a mixer with his friends, where he learns of Suou's second profession. He sometimes gets flustered by the actions of Suou and her colleagues. Fuji (藤) Voiced by: Aoi Yūki (Japanese); Katelyn Barr (English) Portrayed by: Kazuya Seto A colleague of Suou at the bar who is shown to be always stoic and aloof, taking up a lazy persona during work. She also takes up drawing manga, especially erotic boys' love manga, as a hobby. Asagi (浅葱) Voiced by: Shun Horie (Japanese); Bryson Baugus (English) Portrayed by: Eito Konishi A university friend of Tokiwa and Fuji's partner who is usually ditzy but shows an eagerness to partake in activities and accept requests, much to the worry of his friends. Kohaku (琥珀) Voiced by: Nao Tōyama (Japanese); Annie Wild (English) Portrayed by: Ren Kisaragi Another colleague of Suou at the bar who is shown to be serious and usually acts as the straight man between the antics of Suou and Fuji. She takes up a bossy persona during work, which she aims to improve on. Hagi (萩) Voiced by: Gakuto Kajiwara (Japanese); Benjamin McLaughlin (English) Portrayed by: Atsuki Mashiko Another university friend of Tokiwa and Kohaku's partner, who is nervous and tends to easily panic. He has a bias for cute girls and is left confused whenever he feels attracted towards the cool and handsome Kohaku, questioning his sexuality during these occasions. Nadeshiko (撫子) Voiced by: Reina Kondō (Japanese); Genevieve Simmons (English) A university classmate of Tokiwa and friend of Chigusa who is a big fan of Suou's SSR Prince persona and expresses jealousy towards Tokiwa's closeness with Suou. Chigusa (千草) Voiced by: Tomoyo Takayanagi (Japanese); Juliet Simmons (English) Another university classmate of Tokiwa and friend of Nadeshiko who is a big fan of Suou's SSR Prince persona and expresses jealousy towards Tokiwa's closeness with Suou. Karasuba (烏羽) Voiced by: Maki Kawase Another colleague of Suou at the bar who takes up a playboy persona during work. Hashibami (榛) Voiced by: Yoshino Aoyama (Japanese); Amanda Martinez (English) Another colleague of Suou at the bar who takes up an older brother persona during work. Hagi's older sister (萩の姉, Hagi no Ane) Voiced by: Shizuka Itō

Written and illustrated by Nana Aokawa, How I Attended an All-Guys Mixer began serialization on the author's Pixiv account on March 21, 2020. It was later acquired by Square Enix who began to publish it on their Gangan Online manga website on February 12, 2021. Its chapters have been compiled into eleven tankōbon volumes as of April 2026. The manga is published in English on Square Enix's Manga UP! app. During its panel at Anime Expo 2026, Tokyopop announced that it had licensed the series for English publication in a 2-in-1 omnibus format.

A live-action television drama was announced on September 2, 2022. It aired from October 21, 2022, to December 23, 2022, on Kansai TV's EDGE programming block.

An anime television series adaptation was announced on October 5, 2023. The series is produced by Ashi Productions and directed by Kazuomi Koga, with Deko Akao handling series scripts, Yōko Tanabe designing the characters, and Technoboys Pulcraft Green-Fund composing the music. The series aired from October 5 to December 21, 2024, on Tokyo MX and other networks. The opening theme is "Merry Go Round Time" (メリーゴーランドタイム) performed by Nasuo, while the ending theme is "Osama Dāreda" (王様だーれだっ, "Crown Game") performed by Asobi Doumei. Sentai Filmworks licensed the series in North America, Australia and British Isles for streaming on Hidive. Medialink licensed the series in Southeast Asia for streaming on Ani-One Asia's YouTube channel.