The official Twitter account for Kanojo mo Kanojo by author Hiroyuki (Aho-Girl) revealed that the manga will get an anime in 2021.
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㊗️『カノジョも彼女』
TVアニメ化決定!!
\2021年放送予定!
続報をお待ちください!!▼第1話は無料公開中です! https://t.co/MqWORVbDUM pic.twitter.com/wTngKfUNvJ
— 「カノジョも彼女」公式アカウント (@kanokano_kc) November 16, 2020
Synopsis
Naoya confesses to Saki, the girl who has been the target of his love for years... And she accepts! However, one day a girl named Nagisa confesses to Naoya. Although the two get along well, Naoya has a girlfriend. Nagisa promises to confess to him again one day, but Naoya proposes that they both go to Saki and ask if he can date both of them at the same time. Saki and Nagisa hit it off immediately, and while Saki was angry and reluctant at first about the idea, she eventually agrees.
The romantic comedy by author and illustrator Hiroyuki has been serialized in Kodansha 's Weekly Shonen Magazine since March 4, with 3 volumes to date.
Source: Kanojo mo Kanojo Twitter