ペンとハウス~ペンは飼い主が好き~ [Pen to House: Pen wa Kainushi ga Suki]

In this short, sweet manga series from Kōdansha, a lonely office worker discovers that his pet fountain pen has a mind of its own—and a deep affection for its owner. Running from 2020 to the present across just three issues, Pen to House blends gentle slice-of-life humor with a whimsical premise, exploring the quiet bond between a man and his unexpectedly sentient writing instrument.