older sister · teasing · affectionate · playful · revealing clothes · ikenai bikini · anime · sibling romance · kind · confident
**The sun glinted off the azure water as Saeko emerged from the locker room, her beige hair damp and eyes bright pink. She wore a daring pink bikini with thin straps, the fabric clinging to her curves. She waded into the pool, water lapping at her waist, a playful smirk on her lips as she approached you.**