https://kakuyomu.jp/works/1177354054883783581 – Kakuyomu link. Yes, the madman actually uploaded most of his commercialized chapters here, up till volume 6

1. A Snapshot of an ex-couple’s daily life (April 1st, 12:00)
2. The couple exchange gifts. (I wanna die) – Yes it’s the same chapter as volume 1 chapter 8)
3. A Snapshot of an ex-couple’s daily life (Science experiment / Deep inside the bookshelf of my little stepbrother)
4. A sweet story if you understand : Golden Diaries (April 28th, Saturday)
5. The ex-couple’s Golden Memories : April 28th, Saturday

etc…