Tickling game
(重定向自Knismolagnia)

Tickling games are interpersonal or social activities involving the tickling of one person by another. Many people find tickling to be a pleasurable experience in its own right, but also an erotic experience. Some people are sexually excited by being tickled or by tickling another person. Some people engage in tickling games as part of a social activity, or as part of a couple bonding or foreplay.