It is complete at 70 chapters.
https://www.mangaupdates.com/series/c5smgpu/a-guide-to-reincarnation
It is based upon a webnovel that is complete at 100 chapters & 6 extras and is half-way translated.
https://www.novelupdates.com/series/is-the-guide-reborn/
A Guide to Reincarnation