Oh, Those Hanazono Twins (Japanese: 花園さんちのふたごちゃん, Hepburn: Hanazono-sanchi no Futago-chan) is a Japanese web manga series written and illustrated by Nena Kitajima.

It was published on Kodansha's Magazine Pocket website from July 2020 to December 2021, with its chapters collected in seven tankōbon volumes.

Written and illustrated by Nena Kitajima, Oh, Those Hanazono Twins was published on Kodansha's Magazine Pocket website from July 21, 2020,[2] to December 14, 2021.

[3] Kodansha collected its chapters in seven tankōbon volumes, released from December 9, 2020,[1] to February 9, 2022.

[4] In North America, the manga was licensed for English digital release by Kodansha USA.