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I’Ve Been Killing Slimes For 300 Years And Maxed Out My Level

Author(s):

Yuusuke Shiba, Kisetsu Morita, Morita Kisetsu, Updating

Status:

Ongoing

Last updated:

Jun-12-2026 04:19:54 AM

View:

171,471

Rating:

5.00 / 5 - 38 votes

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  • I’Ve Been Killing Slimes For 300 Years And Maxed Out My Level

  • Author(s) : Yuusuke Shiba, Kisetsu Morita, Morita Kisetsu, Updating
  • Status : Ongoing
  • Last updated : Jun-12-2026 04:19:54 AM
  • TransGroup :
  • View : 171,471
  • Genres : Comedy , Fantasy , Adventure , Slice of life
  • Rating :
  •   nelomanga.net rate : 5.00 / 5 - 38 votes

📢 New Feature: Save Reading History for Guests!
MangaNelo automatically saves your reading history—no account required!
Pick up your favorite manga right where you left off with ease. Log in to keep your progress synced across devices.
📌 Find your saved history in the section on the site.

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I’Ve Been Killing Slimes For 300 Years And Maxed Out My Level summary:

A very ordinary company OL (Office Lady), Azusa Aizawa died from overwork. Because of that, she decided to live a leisurely life in a house in the mountains as an immortal, 17-year-old witch in her next life. Her main source of income is to defeat slimes in the nearby field to acquire magic stones, which she sells at the nearby village's guild. Other than that, she passes the time collecting medicinal herbs, and became known as the respected and trusted "Witch of the Highlands." However, as a result of farming slimes every day for 300 years, she gained too much experience, and unknowingly became level 99 – the world's strongest witch.

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