一(🌠)天，609号(🐽)房东花花(huā )公子Mum，看到一个(🛍)小伙在他的(de )床上，从他(tā )们第一(yī )次见面(🔬)就上(🗼)床那天后，神秘的事(shì )情不断(duàn )发(fā )生(shēng )。Mum总(zǒng )是梦见一(yī )个神(🎩)秘的事件(🎡)，半(bàn )夜总会被奇怪的梦(mèng )突然(🚥)惊醒。Mum试图通过和女人上(🚸)床来忘记和年轻男子的“情感(gǎn )”。然而，这(🥁)甚至(zhì )让他多想(xiǎng )想他的梦中情人。然(rán )后，他把事件的(🔝)点(✋)点滴滴联(lián )(🤠)系(xì )起来，提出了反向平(🎾)行宇宙的(⛏)理(lǐ )论(🤷)。最后，他(🤲)在(zài )现(xiàn )实(😍)生活(huó )(👺)中(zhōng )遇到了Dew。虽然(rán )他(tā )(🤖)们(⚾)的第一次(🗳)见(jiàn )(🤘)面是Dew的(de )(🏉)最后一天，但也是(shì )他们两个互相(xiàng )帮助改(gǎi )变未(🤷)来的开(💅)始(shǐ )！Oneday,astrangemanissleepingonMum’sbed,aplayboyandtheownerofroom609.Theybothhavepassionatesexthefirsttimetheymeetandafterthat,mysteriousthingskeephapping.Mumalwaysdreamsofamysteriouseventandwakeupfrightenedinthemiddleofthenight.Mumtriestoforgetthe"feeling"withtheyoungmanbyhavingsexwithwomen.However,itevenmakeshimthinkofthemanofhisdreammore.Then,heconnectsthedotsoftheeventsandcomesupwiththetheoryofreverseparalleluniverse.Finally,hemeetsDewinreallife.ThoughtheirfirstmeetingisDew’(🧑)slastday,butalsothebeginningthatbothofthemwillhelpeachothertochangethefuture!