Marika-chan to Yasashii Koi no Dorei

Marika-chan to Yasashii Koi no Dorei summary:

[from cotton candy scans]
“It’s because Yuu-kun is Marika’s slave!” One day, my childhood friend Marika, whom I haven’t met in 4 years suddenly appeared in front of me and said that.  What...?! Was her personality always like that? Actually, hold up. Ever since then, I intentionally put some distances between Marika and I... Yes, after she saw me doing that...
A provocative and tantalizing heart-throb! Thus begins the battle for dominance & back-and-forth game of love!