Hello, i'm looking for this particular 2 boys 2 girls shoujo manga. Feel free to suggest any too.

This manga's main female lead become best friends with a childhood trio of 2 boys and 1 girl. This girl is very rich and is having a relationship with a teacher (?). The main girl likes the bright sunny boy out of the trio who likes the childhood girl instead. They went to a bbq and the rich girl, bright boy went to buy drinks together and the boy confessed. Back at the main girl's scene, the other boy (the sharp one) also confess to her.