Chikarawaza no Sister  

The Sister with Strength, 力技のシスター, Sister of force to any extent., Forceful Sister

The nun who listens to people's confessions and reacts "strongly" to them.

Chikarawaza no Sister is a web manga released on the author's Twitter and pixiv accounts since June 10, 2023. The series has been published as doujinshi since December 30, 2023.