“Shallwegoonatrip?aaa　　Jin-wookandSo-ricouplehavebeendatingfor6years.So-rirandomlysuggeststhattheyshouldgoonatripalongwithherbestfriendMi-raandherboyfriend.ItisbecauseshepromisedwithMi-rabeforethatthefourshouldgoonatriptogetheronceMi-rahasaboyfriend.　　Jin-wookdoesnotfeelcomfortablewithherplanbecausehehasnotbeeninterestedinSo-ri’sfriendatallandhasnothadamealevenoncewiththefriendtogethersofar.However,heunwillinglydecidestogoonthetrip.AsJin-wookheardthatMi-raandherboyfriendwouldprepareallofcampingequipmentandfishinggadgets,hereallydoesnotprepareanything.Heonlypacksthereadingmaterialforhisthesisinhisbackpacksothathecanworkonthethesisthathehasbeenpreparingforthelastfewyearscontinuously.WhileSo-riwasnothappywithJin-wookwhohasbeencomplainingabouteverysinglething,sheissurprisedtoseehowsweetMi-ra’sboyfriendis.Also,So-ribecomestiredofJin-wook’simmaturebehaviors.Mi-ra’sboyfriendGyeong-hoonhaspreparedeverythingforthecampingtripincludingthetentrental,fishing,andcooking.HeisjustaperfectguywithsuchaconsideratemannertowardshisgirlfriendMi-ra.Jin-wook,unhappywiththesituation,makesasarcasticcommentaboutGyeong-hoonforworkingasaDJataclub.FromJin-wook’spointofview,Gyeong-hoonisnothingcomparedtohiscareerasateachingassistant,whoispreparingforhismaster’sdegreeattheageof35.BecauseSo-rifeelssorryfornotpreparinganythingforthetrip,shehelpsGyeong-hooncookingthemealdiligently,whileMi-ra,whoishypocriticaloften,staysinsidetheirtentalongwithJin-wookandshareshersecretpersonalstorieswithhim.

　　Eun-gi'seventfullifeinaboardinghousehasbegunwiththethreeladies:asexyownerofaboardinghouse,herdaughterwhoisevensexier,andhisinnocentfirstlove.Eun-gi,afreshman,hasfoundhisnewplaceinaboardinghouseoperatedbymotheranddaughterwhenhecametoSeoultostudy.Hisonlypleasureistoplayalongintheunspokenpush-and-pullrelationshipwiththemotherorthedaughter.Oneday,hisfirstlove,Soon-yi,whoisinnocentanddocile,suddenlycomestovisithimattheboardinghouse.Withthesexydaughteroftheboardinghousebehindthedoor,andthecurvaceousladyowneroftheboardinghouseinthebathroomnexttohisroom,the20-year-oldvirginEun-gi'ssleeplessnightbeginsddd