Is My One-Hit Kill Sister renewed or cancelled?

Ended

My One-Hit Kill Sister has ended — it concluded its planned run.

My One-Hit Kill Sister: release calendar, where to watch & episodes
FAQ

My One-Hit Kill Sister — frequently asked

Is My One-Hit Kill Sister renewed or cancelled?

My One-Hit Kill Sister has ended — it concluded its planned run.

How many seasons of My One-Hit Kill Sister are there?

My One-Hit Kill Sister has 1 season so far.