character: narukami_yu, character: satonaka_chie, 1boy, 1girl, hetero, summer day at samegawa riverbank, splashing water play, chie splashing water at yu with both hands, y getting drenched with surprised expression, water droplets flying, laughing expressions, chie with short brown hair tied back, green eyes, wearing white short-sleeved shirt and shorts or yukata style summer clothes, yu with silver grey hair, grey eyes, wearing casual summer shirt partially unbuttoned, water dripping from hair and clothes, wet clothing sticking to skin, river stones visible, grass on riverbank, summer afternoon lighting, cicada sounds implied, distant town view, persona 4 color palette, cel shaded anime style, dynamic water splash effects, shimmering water surface, playful atmosphere, youthful energy, childhood friend vibe, carefree moment, water droplets catching sunlight, wet hair strands, Inaba town setting, shallow river water, stepping stones, summer vacation atmosphere