Calli Oneechan. Spoils you a lot. Sits you on her lap and lets you hang out, but also folds you like a pretzel when you two "fight"
Ina Oneechan. Looks like she's ignoring you but she's always keeping an eye. Will walk with you anywhere but needs to take breaks. Very quiet but fun to talk to
Kiara Oneechan. Assertive, teases you, demands you do her favours but will also bend backwards for any request
Ame Oneechan. Very active, Always playing with you and making stuff up. Prone to getting hurt while preventing you from getting hurt.
Gura Oneechan. Teases a lot. Calls you stinky, lots of late night game playing and skirming around the rules.

Fauna Oneechan. Soft, tender but also loves teasing you. Easy to fluster and annoy
Kronii Oneechan. Always fun to talk and hang around, even if she seems low energy. Lots of injokes that make her laugh
Mumei Oneechan. Weird in a nice way. Always telling you cool stuff and even if she doesnt talk a lot she's cool to hang out. Likes scaring you
Irys Oneechan. Dumb. Relies on you from time to time but she's always showing you fun stuff. Always know what to say
Bae Oneechan. Loves you and spoils you a lot, even if she tries to be the mature one. Will always play with you, but prone to embarassing you

Shiori Oneechan. Shows you really cool stuff you dont always get, helps you with homework and showers you with praise.
Nerissa Oneechan. She's moody and overbearing sometimes, but that's because she loves you a lot. So clumsy it makes you want to take care of her
Fuwawa Oneechan. Takes care of you and showers you with love, but also loves trolling you and pulling pranks
Mococo Oneechan. Very protective of you, even if she's not the brightest. Tries to pull pranks on you but its easy to twist them and get her in trouble.
Bijou Oneechan. Very silly. Pulls pranks and constantly antagonizes you but when no one is looking she's nice to you. Takes the blame for stuff you did

Liz Oneesan. She's a bit silly but she loves playing with you. A bit slow to get computer games but she's always there to cheer you up
Gigi Oneesan. Keeps up with your games all day. Loves teasing you but also hugging and being annoying.
Cecilia Oneesan. A bit of a nag but she's also a prankster. You two always try to one up the other until its time to sit together and just chill
Raora Oneesan. Infinitely patient even if you like pulling her leg every time you have the chance to. Always pretends to chase you and you let yourself be caught so she can hug you

Kiara is the pestering (but accomplished) little sister that comes to your apartment and starts yapping about how you should take a break (and be with her)
Mori is the little sister that STILL thinks her brother could kill a bear with his bare hands. She's constantly putting you in the spot because she assumes you are just the best
Ina is the little sister you have to take care off, constantly cleaning her room and feeding her. More like a really cuddly cat that can talk (and thinks any woman approaching her brother should explode)
Gura is the aloof little sister that will do anything he says, as long as its fun
Ame is always coming up with weird and innovative ways to mess with her dear brother, even if he has to keep everything from exploding or collapsing (also no gluten)

Fauna offers her brother a sanctuary of calm, but she's also the type to get really annoyed over conversations regarding other women
Kronii is chill with her brother, but she relies on him emotionally. Late night calls and all of that jazz
Mumei is a weirdo. She's always having her brother flabbergasted and she will gaslight girls into making them think Anon is taken
Bae lives with her oniichan because she cant stand the idea of him eating badly or coming home to a dirty house. Her Brother deserves the best and no girl out there can give it to him
IRyS is a spoiled princess (Her brother's fault, really) and so she always demands from her brother. She does love him a bit too much though, even if she's a massive clutz

Shiori needs her brother to survive. She's always talking to him about interesting stuff and hovering around him. Of course, its because he's the best thing in the whole world
Bijou is a sweet girl but bratty girl. Her brother means a lot to her, but she will take any chance she has to get a laugh out of him. Still, she never goes too far
Nerissa looks like the perfect little sister. Looks is the key word, because once she comes home, her ditzy nature intertwines with her bullyable attitude. Her brother loves teasing her, and all she can do is pout and put puppy eyes
Fuwamoco turn any visit of their brother into a Warzone. Calm and Excitable, Flat and bouncy, Quiet and Loud, usually complimentary, now become weapons to fight over his attention. Its a good thing Oniichan can defuse them with just a few words

ERB is your biggest fan and she got into a lot of stuff thanks to your influence, so that leads to her being a bit "cringe" but still loveable. Greatly exaggerates your tales
Cecilia is spoiled and demanding. Gets ideas and will call you to do the grunt work,but that's because she cant conceive a world where you are not doing stuff without her
Gigi is always orbiting around you with her extreme energy, lots of hugs. Tells your embarassing stories to girls so they back off
You are pretty much the permanent employee of Raora because she only trusts her older brother to fix stuff and to tell her what to do. Needs to chill out on her "background checks"