Synopsis

Introvert!?Me!?ThehellamIanintrovert?IstayindoorsalldaybecauseIamafraidofgettingmybuttkicked.UntilIcontractmybeast,Iwon’tbewalkingfreely.ThisisapromiseImadetomyself.MynameisRyder,andIamblack-marked.TheplanetwhereIliveisdominatedbysummoners.Ifyouguessedit,thenyouareright—wecontractbeastsfromtheAstralShadowPlainandsummonthematwillaftersuccessfullyformingacontract.Amarkappearsontheleftshoulderofeveryhumanafteraperiodofmaturity,amarkgivenbythebeastthatchoosesyou.Therearefivedifferenttypesofmarks—thebrown,theorange,thered,theblack,andlastly,thewhite.Ofallthemarkings,Iwasmarkedblack.IwaschosenbyasupremedemonmonarchoftheAstralShadowPlain—theDracogon.Therewasonlya0.5percentchanceformetosurvivethecontractionprocess.However,withaslighttwistintheoriginaloutcome,contractingacreaturefromtheblack-markedplainwasnothingcomparedtothecatastropheIcausedshortlyafter—IopenedalinkbetweenthebeastsoftheAstralShadowPlainandtheplanetofhumans,Terra.Everyoneonmyplanethasbeenendangeredbecauseofme.Thefactthatnooneknowswhenthelinkwilltriggerandcauseabreachthatpoursmindlesscreaturesintomyworldmakesitallthemoreunsettling.Now,withnootherchoice,IhavetofindawaytoresolvethemistakeImade—alone,justlikeIcausedit.