sample, full book at tora https://ec.toranoana.jp/joshi_r/ec/item/040030850845 has 68p, part novel also https://www.pixiv.net/en/artworks/83789208 but not sure if that art is in the book, shrug
not in mugi https://www.doujinshi.org/browse/author/117636/
this time I can ID the character at least, Rosema = older Main (spoiler warning at https://ascendance-of-a-bookworm.fandom.com/wiki/Rozemyne)