Anta Nante Okotowari!

Other Title(s): Anta Nante Okotowari, You? No thanks!
Mangaka: SUGIYAMA Miwako
Scanlator: Nagareboshi Manga
Summary: (From NagareBoshi) Yui has a deep love for her “older brother” (they’re not actually siblings, but are related), and she is devastated when he gets married. While at the wedding, Yui meets a sobbing boy, Kaoru. It turns out that his cousin (that he was in love with) is the one Yui’s brother is marrying.

When Yui moves into a boy’s dorm so she can seek out new love, she finds that the head of the dorm is none other than Kaoru!

Manga Download:
Volume 1 Ch.1
Volume 1 Ch.2
Volume 1 Ch.3
Volume 1 Ch.4