Tomodachi no Imouto ga Ore ni Dake Uzai

Synopsis:

I Don’t Need a Girlfriend – Just One Friend Is Enough I’m not interested in deep relationships. I have no desire for a girlfriend, and honestly, one meaningful friend is more than enough for me. Ever since I gave up on enjoying my youth in favor of a more efficient lifestyle, there's been one constant disruption in my life. That person? Kohinata Iroha. She’s not my sister. She’s not even really my friend. She's just an annoying junior (kouhai) — and the little sister of my only friend. And yet, she keeps showing up uninvited in my room. “Senpai, let’s go on a date~! Just kidding~!” With more energy than a case of energy drinks, Iroha has a habit of lounging in my bed, teasing me relentlessly, and doing whatever she can to throw me off balance. She's persistent, loud, and way too familiar. Even when I’m drowning in work, she doesn't let up. To make matters worse (or more confusing), Iroha is incredibly popular. She’s an honor student with top grades and a reputation for being kind and graceful to everyone… except me. Seriously, Iroha — why do you only act like this around me?