Ichigo Aika: Strawberry Elegy

Kōta Takamura's life gets flipped upside down when his father remarries, leaving him with a new stepsister named Aika. At first glance, she's this sweet, well-mannered girl who charms the parents effortlessly. The second they leave the room, though, she flips into a loud, foul-mouthed gyaru who treats Kōta like dirt. That two-faced dynamic is basically the engine of the whole show — watching Kōta try to deal with someone who can switch from angel to bratty nightmare in the span of a door closing. As an ONA adapted from Yagi Shinba's manga, this leans hard into both the comedy of their clashing personalities and the adult side of things, so fair warning: it's tagged Hentai for a reason. Studio Hokiboshi handles production, and they know their lane when it comes to this kind of material. The gyaru aesthetic is front and center in the character design, giving Aika a distinct look that sets her apart from the usual step-sibling anime fare. If you've watched stuff like Kiss x Sis or Yosuga no Sora and thought "I want that energy but with more attitude," this is pretty much that. It also shares some DNA with OniAi in terms of the sibling-relationship comedy, just with the dial turned way past where that show stopped. The tone stays youthful and comedic even when things escalate, which keeps it from feeling too heavy. Coming in 2026, so keep it on your radar if this is your thing.