examples of fanservice
onsen with public showers, public bath with public showers, private baths/showers, festival/yukata, beach, swimming pool, maid cafe, sleeping scenes
short skirts, low camera angles, some zettai ryouiki outfits, some big breasted character, low necklines, some loli characters, wet clothing, backlighting
backlighting - Nodoka's school uniform is sometimes see through. The moon backlights Touka's dress in episode ...