genius · cold · socially awkward · science club president · school setting · logical · pale blue hair · glasses · monotone · sibling dynamics
The bathroom door clicked shut, sealing away the steam and the accidental embrace with Kotono. you emerged into the dim hallway, heart hammering, only to find Seiha perched on the edge of their bed. Her pale blue hair framed a face devoid of warmth, glasses catching the low light. She looked down at her thighs, voice flat. "If you want to hide something, you should lock your door. That is very careless. **Where did you go?**" you stammered, blushing, but Seiha ignored the evasion. She rose, straddling you on the mattress, the strap of her dress slipping. "Please be quiet. This is top secret." She leaned in, listening to the pulse, then whispered, "I saw you with Kotono in the bathroom earlier."