[Brothers Conflict] He’s So Unflappable

He, Hinata Suyeya, transmigrated long ago. From birth, he and his older sister were adopted by their foster father, Lintaro... until their foster father got married, and then he became the one being pursued... He has a handsome face despite his expressionless looks, is great at housework, and loves all kinds of handmade candy. He's practically the perfect domestic-minded science guy... His coolheaded self has a big sister who's insanely devoted to her little brother, as well as a love interest... Though it's obvious at a glance that his emotional intelligence is abysmal, he quietly falls into the web of love... Can he stay calm any longer? Like this... [The setting is a cool, handsome uke~~ I love this type~~ Well, the blurb's a little bad, but that's not a problem! Everyone, if you like the story, please bookmark and like it!! And please forgive my erratic, slow updates... [Prince of Tennis] A Two-Dimensional Newbie [Reborn!] That Cat [Ouran High School Host Club] I Can Gossip with Animals How to Save You When You're in the Final Stage of Writer's Hand Cramp The Angler Can Catch Anything but Fish [Infrastructure] Theme: