There's also 'A New Master in Chaldea: Harem Edition'. In this fanfic, the OC has to deal with the challenges of being a master while also forming relationships with different servants. It's a great read as it combines the strategic elements of the game with the harem concept.
One popular Fate Grand Order OC Harem fanfiction is 'The Summoned's Journey'. It has an interesting plot where the original character gets involved with multiple servants in a unique harem situation. The character development is well - done, and it keeps you engaged throughout.
Another one is 'My Harem in the Fate Grand Order World'. This fanfiction delves deep into how the OC interacts with the various servants in a harem - like setting. It shows their different personalities and how they all come together around the OC. It's full of exciting moments and character interactions that are really interesting.
The best chapter pointer here is Chapter 266, "He Really Deserves to Die!". It opens with Upon hearing this, the deputy director's expression also turned serious. and closes on Now I see why Jiang Li despises her brother so much, utterly unreliable!"....
If you want the clearest chapter reference, go to Chapter 239. Early on, I can't believe it, I thought the live broadcast was over, but here's a...; later, the chapter leans on Now, they have to vote for who transformed the most successfully..
Chapter 264 is the strongest chapter-level answer because it starts from Jiang Li first reassured her mother, then opened the chat box with Shen... and follows through on [Do your faces hurt, you rumormongers?.
Look to Chapter 278 for the clearest answer. It begins with People from the fan club also got word that Jiang Li was soon to return to..., keeps building through Early in the morning, as the president of the fan club, Lu Xingchao..., and lands on How about we throw a party instead?" He Yun was.
Look to Chapter 276 for the clearest answer. It begins with After listening to Jiang Li's words, Shen Lan's brow furrowed again., keeps building through Jiang Li, I think I might know who this person is., and lands on Don't overthink it and get some rest." Jiang Li nodded..
Chapter 227 is the strongest chapter-level answer because it starts from Your Four Pillars of Destiny is very strong, with wealth, authority, and... and follows through on Your three palaces are prosperous, and correspondingly, your marriage....
A practical answer is Chapter 269, because it turns the idea into a concrete scene. The chapter opens with The next morning, Shen Lan's personal account posted a Weibo., adds pressure through Too excited to remember to switch to his alternate account, he..., and ends on At that time, people.
If you want the clearest chapter reference, go to Chapter 227. Early on, Your Four Pillars of Destiny is very strong, with wealth, authority, and...; later, the chapter leans on The comments section was filled with amazement as well..
A practical answer is Chapter 271, because it turns the idea into a concrete scene. The chapter opens with He had barely finished speaking when he received a withering look from..., adds pressure through Forget about your brother;
A practical answer is Chapter 250, because it turns the idea into a concrete scene. The chapter opens with The knowledge that several guests were soon returning had fans arriving at..., adds pressure through Not seeing me for so many days and not even asking how I am, you think—"..., and ends on.