I think this might not be the one you are looking for but the plot is kinda similar and you might also like it so here
https://www.mangago.zone/read-manga/retsujou_paradox_banken_ha_yoru_kiba_wo_muku/
red candy
Is that hold me tight
thanks sm for all the help but i found it!! it’s https://www.mangago.zone/read-manga/ou_sama_no_koi_asobi/
OOOA OK
Looking for yaoi manga where the protag is a corporate spy. The male lead discovers his plan and blackmailed him to live in his house. Protag then falls in love with him afterwards and did not betray him