My little minor cannon fodder wife

aashu died in hand of madman and reincarnated into novel .
he just have to save his fated partner. and enjoy life .
but but....
male lead: "romance not allowed in campus."
aashu:" ooh.. but you and your two girlfriend always flirt in campus."
female lead: "oops sorry i don't no you two here."
aashu: "really but you always say same thing."
villainess: "you really shemless always stick together."
aashu:" you are our teacher of course we behind you."
he always want simple life with her but there always bug who tried separate us.
fated partner:" don't wary we always together before, now, and after hubby."