My Childhood Friends Mask Their True Nature Well

A twisted love triangle where two brothers fight over their childhood friend, the female protagonist.

The female protagonist Mei has two childhood friends.
Aki and Yuuki. A pair of hot and handsome brothers who are very popular...
The three of them all attend the same university.

Charmed by the older brother Aki, the female protagonist ends up in a physical relationship with him against her wishes. On the other hand, the younger brother Yuuki, well aware of this relationship, nonetheless harbors unrequited feelings for her.

Aki's possessiveness. Yuuki's jealousy.
A toxic cauldron of swirling turmoil warps their relationship...