SYNOPSIS

Kazuyoshi has a dream - to get a ”cute， obedient little brother who will do everything I say!” Then， at his part-time job he finds a ”Make-your-own-boyfriend kit!” Apparently， it’s possible to use a sweets-making system to make the ideal boyfriend! But since he wants a little brother， not a boyfriend， he just tries it out as a test... and ends up with a huge， UNcute man in his room! The man says ”I’m your little brother， Kouji.” Then he grins confidently at Kazuyoshi and grabs his crotch! This isn’t a little brother!! But Kouji hides an impotant secret... get ready to find out in this mysterious， sexy brother cohabitation story!