Ritsuka Harem: Ritsuka harem aka all his wife's he is reclaiming after his regression because he will dammed if all them are not his again, he has made too many bonds with them
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Mash
Morgan
Sion
Olga
Koyanskaya
Kama
Ibuki
Draco
Ereskigal
Space Ishtar
Jalter
Ophelia
Sen No Rikyu
Kiyohime
Elizabeth
Tamamo
Medusa
Zenobia
Skadi
Scathac
Barghest
Melusine
Artoria lancer Alter
Artoria Lancer
Gorgon
Himiko, Iyo (Technically mother and daughter package)
Martha
Kukulkan
Arcuid
Void Shiki
Suzuka Gozen
Circe
Meade
Helena Blavatsky
Xuanzang Sanzang
Nitocris
Scheherazade
Shuten Doji
Murasaki Shikibu
Charlotte Corday
Wu Zentian
Yui Shosetsu
Boudica
Medb
Francis Drake,
Anne Bonny
Quetzalcoatl
Reines
Kyokutei Bakin
Marie
Marie Alter
Nitocris Alter
Tenoctitlan
Yang Guifie
MHXX
MHX alter
Altera
Nero Bride (Yes not the normal her)
Miyamoto Musashi
Trung sister
Pollux
Atalanta Alter
Asagami Fujino
Osakabehime
Nightingale
Saika Magoichi
Durga
Jaguar Man
Bradamante
Nageo Kagetora
Vritra
Britomart
Van Ghong
Kiara
Meltrylis
Passionlip
Astraea
Mata Hari
Huyan Zhou
Coral
Adele
Tiamat
Minamoto No Raiko
Sitonai
Caren
Yang Guifie
Oei (Hokusai)
FGO Regression Harem – Interaction Chart
💙 Saints, Sinners & Headaches
Pair / Trio Dynamic Sample Scene Hook
Martha × Kiara × Medb "Saint vs Seductress vs Queen" Martha tries to host a prayer session; Kiara turns it into a "spiritual intimacy" workshop; Medb takes notes.
Raikō × Tiamat × Nightingale Ara Ara League All of them insist on "mothering" Ritsuka; he suffocates under love and first-aid bandages.
Durga × Jaguar Man Warrior Moms & Cat Chaos Friendly sparring turns into a jungle brawl through the cafeteria.
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🔥 Edgy Queens & Soft Spots
Pair / Trio Dynamic Sample Scene Hook
Jalter × Artoria Alter × Melusine "Anger Management Club" Group therapy that turns into a competition of who's "less tsundere."
Marie Alter × Barghest × Morgan Royal Edge Aesthetic They debate "proper intimidation posture." Ritsuka compliments one, they all blush.
Draco × Gorgon × Medusa Monster Beauties They compare who's scariest when jealous. Spoiler: it's a tie.
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💡 Brains & Banter
Pair / Trio Dynamic Sample Scene Hook
Sion × Helena × Reines "Mad Science Club" Compete to improve Chaldea's tech—accidentally build a device that gives everyone cat ears.
Tōko (mentor cameo) × Sion × Ritsuka Research Family Tōko threatens to grade his rune arrays; Ritsuka prays for regression #2.
Nitocris × Scheherazade × Xuanzang Bookish Queens Storytime turns into a 3-hour debate on whether pharaohs or monks make better protagonists.
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🎭 Idols, Tricksters & Theatrics
Pair / Trio Dynamic Sample Scene Hook
Elizabeth × Jalter × Mash "Death Metal Idol Training" Jalter insists her growl counts as singing; Mash hums backup politely.
Tamamo × Circe × Osakabehime Witchy Chaos Try to livestream potion-making; accidentally summon Shakespeare.
Koyanskaya × Himiko × Iyo Divine PR Disaster Koya wants to market the "Mother & Daughter Divine Package." Himiko approves. Iyo hides.
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🌸 Cute Chaos Cluster
Pair / Trio Dynamic Sample Scene Hook
Sitonai × Helena × Wu Zetian Loli League Argue over who gets to sit on Ritsuka's lap during movie night.
Charlotte Corday × Marie × Corday Alter (if you add her) Sweet but Deadly Compete to bake for him—kitchen ends up glowing from mana sugar.
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⚡ Power Couple Territory
Pair / Trio Dynamic Sample Scene Hook
Morgan × Koyanskaya "Master & Pet (Buster Battery Edition)" Morgan literally drags Koya by the collar into battle for buff synergy.
Scáthach × Skadi × Vritra Queen of Spears & Winter Trio They train Ritsuka in rune combat; entire mountain freezes over.
Artoria Lancer × Artoria Lancer Alter Mirror Knights Try to one-up each other's lance form; end up praising each other through gritted teeth.
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💀 Ancient Power & Soft Jokes
Pair / Trio Dynamic Sample Scene Hook
Ereshkigal × Ishtar × Space Ishtar "Three Sisters of Chaos" Argue over who gets holiday duty—ends with cosmic fireworks.
Arcueid × Shiki (Void) × Fujino Mystic Eyes Club Ophelia walks in, uses her eyes; they just nod approvingly like senpais.
Tiamat × Kukulkan × Quetzalcoatl Goddess of Creation Group Chat Discuss parenting humanity; Ritsuka gets adopted thrice.
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🪄 Wildcard Chaos Combos
Kiara × Kama × Medb: "Triple Trouble." Romantic apocalypse incoming.
Boudica × Drake × Anne Bonny: Pirate Mom Squad goes shopping.
Murasaki × Shuten × Scheherazade: "Book Club but with alcohol."
Nero Bride × Altera × Pollux: Rome vs Earth vs Stars for Ritsuka's affection.
Tiamat × Raikō × Martha: The Ultimate Holy Ara Ara Showdown.