Ryuisaskilledyoungwriterwhohasagirlfriend,Pin,whohe'sdatedsincehighschool.Theyloveeachotherandplantomarry.ButperhapsbecauseofRyu'sfate,helosesherforeverinacaraccident.Ryublameshimself.Hewithdrawsandstartsleaningonalcohol.WiththearrivalofArm,thegrandsonoftheownerofthecompanywhereRyuworks,andtheirgradualrelationship,Ryu'sworldbeginstobrightenagain.WhenRyufindsoutthathehascancerandmaynothavelongtolive,Armgoesallincaringforhimandthetwodecidetolivetogether.However,theworldisalwayscruel.WhenArmandRyulearnthetruthofsomethingthattearsthemapart,RyudisappearsfromArm'slife.ArmtrieseverymeanstofindRyuwithoutanyluck,untilfinally,Armgetsabox.Thisboxcontainsalltheanswers.