The sister complex has very strong Japanese origins from anime and can be described as a situation where a person has a very strong obsession with a sister. It is mostly used in relation to brothers who are very strongly obsessed with their sisters. It is more commonly seen in Japanese animations "anime" and has gradually made appearances in the gaming world.

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The sister complex is described as a brother who has feelings of love for his sister alongside the need or desire to own her. Males with the sister complex form idealized impressions and images of their older sisters or their younger sisters. These feelings can sometimes be sexual, although they don't always have to be so. These feelings also vary depending on the specific circumstances of the male and the sister. These feelings can also increase with time as they spend more time together. The sister complex can occur between sisters but it is more commonly seen from a male to his sister. To add more drama, game makers are known to add movie concepts to their storylines that increase interest. A lot of times, the concepts are subtle, and other times, they are subtle. In either case, the gaming community has some very interesting sibling relationships indeed.

10 The Duo From Suikoden V – Freyjadour & Lymsleia

Freyjadour and Lymsleia Suikoden V

Frey's family is wrenched away from him unexpectedly one night, and he loses his reputation as well. The only other member of his house who makes it put alive is his baby sister, Lymsleia. Lym is married to a man from one of the noble families that are constantly at war. This marriage was what resulted in the killing of the royal house. However, he failed to kill the prince and decided to humiliate him instead.

The game world is written beautifully but at its core is the relationship between Frey and Lym, a brother and his little sister. The Best Sisters In Gaming Frey fights to rescue his sister from her loveless marriage and eventually be rescues her, taking up arms to defend her far into the future. Frey is completely devoted to his sister throughout the series and never leaves room for doubt about his devotion.

9 Legend Of Heroes - Trails Of Cold Steel

Rean and Elise Fire Emblem

​​​​The sister complex in this game is exhibited very strongly by Rean and Elise. Many players would try to argue and say that Rean doesn't necessarily show outward signs of reciprocating Elise's attraction towards him, but they can hardly deny that he is very possessive and protective of Elise.

There is a lot of development in Rean's character and the way he interracts with his sister, so much so that we see him start to care more for her feelings after a brief period of separation. It is very hard to deny that the relationship between these two is anything less than a sister complex.

8 Leif From Fire Emblem: Genealogy Of The Holy War

Lief and Altena Fire Emblem

Leif and Altena are both from the video game, Fire Emblem: Genealogy of The Holy War. Altena grew up with the man who killed her parents. While she grew up, she had no idea of the true nature of the person she lived with. In due time, she found out the truth and left to find her sibling, Leif. Leif and Altena battle together to fight and save their nation from treacherous hands.

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As brother and sister fight together, it isn't hard to see the adoration that Leif posseses for his older sister. At certain points, it becomes obvious that this admiration goes beyond just the regular sibling relationship and is a testament to something far deeper that he may not be able to fully explain.

7 Felix From The Golden Sun

Felix and Jenna The Golden Sun

Brother and sister, Felix and Jenna are both characters from the video game Golden Sun: Skilled Adepts. Both have individual powers that make them unique. Felix on one hand can use earthy Psynergy powers while Jenna has fire-related powers. Both of them are capable of holding their own.

Even though they're both making a difference in their own way, Felix is still noticeably protective of his little sister. As they fight to protect the world from evil, Felix and Jenna work hand in hand to protect each other and ensure that they come out victorious.

6 Fire Emblem Warriors: Allies

Rowan and Lianna Fire Emblem

Prince Rowan and Princess Lianna are twins who each want the other sibling to get the throne when the time comes. Their different personalities do not in anyway reduce the intensity of their affection for each other. Even as they have varying ideas on who should success the throne, the royal twins fight together alongside other heroes from a different world.

Together, they battle to protect their homeland against external threats. While Princess Lianna is calm and analytical, Prince Rowan is more physical about things. His brash nature, however, does little to distract from his affection for his sisters.

5 Mirage Keepers: World of Final Fantasy

Ryenn and Lann Final Fantasy

Here we have another pair of twins fighting to save each other and their kingdom. Ryenn, is careful and thoughtful while her twin, Lann, prefers a more energetic approach to solve problems. Players can follow them as they journey through the kingdom of Grymoire to fulfill a world saving prophecy. Lann, though younger, exhibits a level of protectiveness over his older twin that is hard to ignore.

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The relationship between Ryenn and Lann is of utmost importance if they are to overcome the obstacles that stand in their way.

4 Ivry Searches For His Lost Sister

Ivry and Iva P.R.I.C.E.

The loss of a sister can be upsetting for anyone, and it is especially upsetting for Ivry as we see in P.R.I.C.E: Upside Down. When Iva goes missing, Ivry begins the relentless search for her, starting from her room.

As he searches, the player sees that his feelings for her run deep, perhaps even deeper from the regular brother/sister relationship. On this journey, the player is able to discover things about their relationship that would otherwise go unnoticed by an unobservant eye.

3 Twin Gods Battle The Odds Together

Tyreen and Troy Borderlands 3

​​​​​​​ In Borderlands 3, Twin Gods Tyreen and Troy Calypso are the rulers of the Children of Vault, a cult that plans to take over the world. Even as they scheme to become the most powerful beings in the world, the chemistry between Tyreen and Troy does not go unnoticed by the savvy player.

With their wicked schemes and ruthless strategies, Tyreen and Troy take the twin bond a step further, showcasing a relationship that tests the boundaries of kinship.

2 Beloved Gladdy From Final Fantasy XV

Gladiolus and Ivy Final Fantasy

​​​​​​​ To the outside world, Gladiolus Amicitia is a strong man and a member of an elite group; the Crownsguard. His membership makes him a Shield of the King, meaning he has a responsibility to fight for the royal family. However, Iris, his little sister, idolizes him and sees him as her beloved "Gladdy".

The player is able to see how much Gladdy cares for his little sister in the way he balances his responsibilities with family. The relationship between Gladdy and Iris is deeper than most brother/sister relationships in the game verse.;

1 Memories Of Azur Has Raydel Moving Onward​​​​​​​

Greak, Adara, and Raydel

Their homeland is invaded, causing the knight, Raydel, to be torn away from his younger siblings - a sister and a brother. Even as he searches for them, he never gives up the search. Players can clearly observe the connection between the siblings.

Sibling relationships are a common part of video games but this one takes a unique approach to the mix by showcasing the struggle a brother is willing to go through for the sake of his siblings.

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