So the thing is with Shinsou and his place in the ErasMic family he is so middle child coded to me. Like he just has so much middle child energy it’s insane.
Like my two most favorite ErasMic fics; Wards of AU by FeckedSpectrum (one of the all time pieces of literature I have read truly) and A Heart Grows Fonder by Laroyena both have Shinsou playing the youger sibling to Mirio and Shigaraki respectively and that’s when it clicked for me. It just felt so natural so easy for him to slip into this middle child role.
And it’s because he has all the bitchy confrontational energy of a younger sibling but with enough of the care and consideration of an Older sibling and so putting him against this older figure he doesn’t have to be as soft with as he is with Eri and he can really develop other aspects of his personality is so natural. H is such a bitchy constantly rolling their eyes sarcastic little brother I love it so much.
And this isn’t me saying I have anything against the Eri Shinsou dynamic ofcourse not I love them as siblings but I don’t know the dynamic just feels powered up when Shinsou’s a middle child there’s a more grown child figure kind of buffering a lot of Shinsou’s more abrasive tendencies so we still get to see that familial bitchy banter. A Heart Grows Fond described it perfectly with his relationship with Shigaraki. Shinsou gets a support system but he also gets someone he can practice his responsibility on without the fear that he might fuck it all up irredeemably because Eri is 6 and can’t pick herself up the way a 21 year old Shigaraki can of Shinsou miscalculates (it was explained so much better) but yeah that’s like the crux of it.
An older siblings is a much less pressured relationship that Shinsou really needs and god I just fucking love it. Middle child Shinsou you will always be famous to me.