Tired of the same old brother-obsessed sis stories? Buckle up! This list takes brother complexes to a whole new level. We’re ditching the clichés for 6 anime where sis goes beyond mega-fan and things get interesting (and maybe a little taboo). Get ready for feels, laughter, and a healthy dose of “wait, what?” These shows mix sweet sibling moments with a sprinkle of the forbidden, blurring the lines of family and leaving you wondering if blood is always thicker than water.
Related: 5 Anime where the main character hates himself
Kiss x Sis
- Number of Episodes: 12 (TV series) + 12 (OVA series)
- Release Date: December 22, 2008 (First OVA), April 5, 2010 (TV series)
- Dub/Sub: Sub
You got it! So, get this: we’re going full-on wild with recommendation number six! Buckle up for ‘Kiss x Sis,’ an anime that’s basically the opposite of that boring love triangle you skipped last week. Here, we got Keita stuck between his two, smokin’ hot STEP-sisters, Ako and Riko. Yeah, you read that right.
Imagine these two stunners fighting over you every. single. day. We’re talking serenades that would wake the dead and late-night snuggle attacks that would make any dude sweat. But Keita’s stuck in the middle, freaking out about breaking someone’s heart (or worse, starting a family war!). How’s a guy supposed to choose?
‘Kiss x Sis’ is a hilarious rollercoaster with characters so crazy you can’t help but love them. It’s like the funniest rom-com ever slammed into a reality show about sibling rivalry. Think laugh-out-loud moments mixed with some serious “second-hand embarrassment” vibes. If you’re down for an anime that’s a little offbeat, side-splittingly funny, and leaves you needing a cold shower (for laughter, we swear!), then this is your jam. Popcorn, snacks, maybe a pillow to hide behind for the awkward moments – you’re all set!
Onee-chan ga Kita
- Number of Episodes: 12
- Release Date: January 9, 2014 to March 27, 2014
- Dub/Sub: Sub
Okay, hold onto your hats because we’re about to dive into some next-level sibling shenanigans with “Oneechan ga Kita!” This anime is pure comedy crack, especially if you like your bro-con vibes with a healthy dose of WTF.
Imagine this: your typical 13-year-old dude, Tomoya, just chillin’, livin’ life. Then, outta nowhere, his dad drops the bomb – he’s remarried! Enter Ichika, Tomoya’s smoking hot 17-year-old step-sister. Sounds like a win, right? Wrong. Because Ichika has a major case of the brother complex that would make even the creepiest anime characters blush.
We’re talkin’ full-blown yandere vibes with a side of “personal space? Never heard of her.” Picture dodgeball practice, but instead of balls, it’s Ichika tackling anyone who even glances at Tomoya. Hilarious, right? But under all that clinginess, there’s some real love there. Ichika just wants to protect her little bro, even if her methods involve duct tape and a 24/7 bodyguard situation. Get ready for some seriously awkward moments that will have you snorting out loud!
The Irregular at Magic High School
- Number of Episodes: 26 (Season 1) + 13 (Season 2)
- Release Date: April 6, 2014 to September 28, 2014 (Season 1), October 4, 2020 to December 27, 2020 (Season 2)
- Dub/Sub: Both
In a world where magic has become a systematic technology, siblings Tatsuya and Miyuki Shiba find themselves enrolled in First High School. Miyuki, a prodigious magician, is placed in the prestigious First Course, while Tatsuya, despite being magically inept on the surface, possesses exceptional technical knowledge and unique magic techniques. As the irregular student in a magical high school, Tatsuya’s abilities and talents make him stand out in unexpected ways.
Shiba Miyuki is a first-year student in Course 1 of First High School and the younger sister of Shiba Tatsuya. Miyuki deeply cares for her brother and is fiercely protective of him. She displays a warm and loving nature, always ready to defend Tatsuya whenever the need arises. Miyuki’s feelings for her brother go beyond the typical sibling bond, as she occasionally hints at having romantic affections for him. She wrestles with guilt over her perceived superiority as a “genius” while Tatsuya, in her eyes, is considered a reserve magician but is, in fact, the true genius.
Ane Log
- Number of Episodes: 3
- Release Date: September 2014 to April 2015
- Dub/Sub: Sub
Alright, alright, this one’s a bit weird, but trust me, it’s hilarious! Ane Log takes the whole “brother complex” thing and flips it on its head in the best way possible.
Our girl Moyako is convinced her younger bro Akira is a total pervert with a major sis obsession. Apparently, a childhood declaration of “I wanna marry you!” did some serious damage to her psyche. Now, in high school, Moyako’s on a one-woman crusade to “fix” Akira before things get creepy.
Here’s the kicker: Moyako’s the real creep (don’t tell her though!). All those crazy plans to “protect” Akira? Totally fueled by her own, uh, not-so-sisterly feelings. Get ready for some laugh-out-loud misunderstandings and major “wait, what?!” moments as Moyako tries to be the hero while battling her own inner demons.
So, if you’re down for a wacky brother-sister story with a hilarious twist, Ane Log is your jam! Just remember, things aren’t always what they seem, especially when it comes to the Konoe siblings!
Onii-chan Dakedo Ai Sae Areba Kankeinai yo ne!
- Number of Episodes: 12
- Release Date: October 5, 2012 to December 21, 2012
- Dub/Sub: Both
After the unfortunate demise of their parents, siblings Akito and Akiko Himenokouji are separated and forced to live with different families for six years. However, they are finally reunited and begin living together. The story revolves around Akiko, who has developed feelings for her brother. Sadly, Akito only sees her as a sibling and nothing more.
Akiko Himenokouji, the main character, has a strong brother complex and harbors romantic feelings for her older brother, Akito. She longs for his attention and affection, hoping for a deeper relationship beyond that of siblings. However, Akito remains oblivious to her romantic intentions, seeing her solely as his little sister.
Their relationship is one of sibling love and care. Akiko dotes on her brother and constantly tries to win his attention and affection through various means. She is determined to make Akito see her as a potential partner. Meanwhile, Akito values and cares for his sister, but his feelings remain purely familial.
As the story progresses, three more girls, Anastasia Nasuhara, Arashi Nikaidou, and Ginbei Haruomi Sawatari, move into their apartment and develop their own respective feelings for Akito. This complicates Akiko’s quest for her brother’s exclusive attention, as she now has to contend with competition from the other girls. The girls’ affection for Akito leads to humorous and sometimes risqué situations, making it challenging for Akiko to stand out and win her brother’s heart.
My One-Hit Kill Sister
- Number of Episodes: 12
- Release Date: April 8, 2023 to June 24, 2023
- Dub/Sub: Both
Alright, alright, buckle up for another wild isekai ride! This time, we’re diving into “My One-Hit Kill Sister.” Forget the whole “hero destined for greatness” trope. Asahi, our protagonist, gets isekai’d just like everyone else, but his stats are as impressive as a wet napkin. Think participation trophy level weak.
Just when Asahi’s about to cry himself a fantasy river, BAM! Enter his super strong, super overprotective (and maybe a little too attached) older sis, Maya. This chick is basically a walking nuke – one punch and any monster threatening Asahi is toast. Now, here’s the kicker: this new world is cool with, ahem, sibling love that would make your grandma clutch her pearls. Maya’s all about smothering Asahi with “love” (think creepy stalker vibes, but with more punching).
Don’t worry, it’s not all Alabama-level weirdness. “My One-Hit Kill Sister” is a laugh riot as Asahi and Maya dodge monsters, deal with the whole “incest is bad, right?” dilemma, and maybe even figure out their messed-up but strangely sweet sibling bond. So, if you’re looking for a fantasy anime with a side of “wait, that’s legal?” (hopefully it’s not!), this is your jam!