A thorough investigation into the friendship between female friends! Two female friends meet in Ikebukuro and try out an escape game where they work together! They choose one of four options - kissing, vibrator, blowjob, or sex - and if they get it right three times in a row, they'll escape! If they get it Kokoro, they'll have to play a naughty punishment game! After much deliberation, the two finally come up with a choice that doesn't match! The punishment game reveals each other's naughty sides! Why is that? They're embarrassed to be seen by their friends, but before they know it, their pussies are throbbing uncontrollably and they end up having sex next to each other!