I Can't Even Breathe Without Youきみがいなけりゃ息もできない ; Breathing Isn't Even Possible Without You ; Kimi ga Inakerya Ikimo Dekinai

Shouji is a successful businessman with one problem: his next door neighbor and childhood friend Niki who can't do anything without his help. Where will these two end up? From Baka-Updates: Lazy, deadbeat manga author, Niki (pen name: Kaoruko Goutokuji), finally caught his big break! Except for one problem: his almost supernatural inability to do just about anything! But with a hot, elite business man, Shoji Tatsuhiko, as his childhood friend who constantly looks out for him, who can blame him?