Description:

Haruto had been eagerly awaiting his summer vacation reunion with his beloved big brother, only to be devastated when his mother told him the visit was canceled. But then... there he was! His brother, the one he'd been waiting for all along! The two enjoy their summer to the fullest with bug catching, soccer, and fireworks, but then...? (Source: MANGA Plus)

Alternative Titles:

Usotsuki Niichan, 嘘つき兄ちゃん, My Lying Big Brother