俺の初恋の人が兄とフラグを立てまくってつらい

Synopsis

He fell in love with the love of his life. But there was something wrong with the beautiful girl he was dating. She approaches me with all her might, using strange words like "moe" and "precious". And not to me, but to my brother!　This is the start of an all-out love comedy but full of muscles, and a lot of foolishness and a lot of fun!