ComicInfo.xml 2.0 example, you have to put it at root level for Komga to recognize, you cannot put it inside a folder.

ComicInfo.xml

<?xml version="1.0" encoding="UTF-8"?>
<ComicInfo xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
           xsi:noNamespaceSchemaLocation="https://raw.githubusercontent.com/anansi-project/comicinfo/main/schema/v2.0/ComicInfo.xsd">
    <Title>神無月の巫女 (1)</Title>
    <Series>神無月の巫女</Series>
    <Number>1</Number>
    <Count>2</Count>
    <Summary>
        宿命の巫女として転生した二人の少女と、運命に抗う一人の少年。そして暗黒神＝ヤマタノオロチ復活を狙う巨大ロボ軍団！　現代に甦る神々が世界の命運を賭けて、壮絶なロボバトルを繰り広げる衝撃の第1巻!! 
    </Summary>
    <Year>2004</Year>
    <Month>9</Month>
    <Day>24</Day>
    <Writer>介錯</Writer>
    <Penciller>介錯</Penciller>
    <Inker>介錯</Inker>
    <Colorist>介錯</Colorist>
    <Letterer>介錯</Letterer>
    <CoverArtist>介錯</CoverArtist>
    <Editor>介錯</Editor>
    <Publisher>角川書店</Publisher>
    <Imprint>月刊少年エース</Imprint>
    <Genre>百合,巨大ロボット</Genre>
    <Web>https://www.kadokawa.co.jp/product/200407000001/</Web>
    <PageCount>180</PageCount>
    <LanguageISO>ja</LanguageISO>
    <Format>TBP</Format>
    <BlackAndWhite>Yes</BlackAndWhite>
    <Manga>Yes</Manga>
</ComicInfo>