neon genesis evangelion, neon genesis evangelion: iron maiden
ikari shinji, kirishima mana, penpen
1boy, 1girl, back-to-back, bath stool, bathing, bird, black hair, brown hair, closed mouth, cloud, completely nude, fence, from behind, from side, holding, knees up, lantern, light smile, lights, looking down, looking to the side, looking up, mixed-sex bathing, mountain, nude, onsen, outdoors, partially submerged, penguin, profile, rock, shared bathing, short hair, sitting, sky, smile, soap bubbles, stool, sunset, tan, towel, tree, water, wet, wooden fence
game cg, non-web source, official art