Takchan, which do you take? (3) (Done) / Sen Tanne

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His younger brother Futaba, who sees his older sister Tachibana falling in love with Tachan, looks away from his feelings for the happiness of Tachibana. In such a situation, Futaba, who can't be honest with Tachan, has a little conversation with Tachibana and ends up with Tachibana, but his older sister Tachibana understands Futaba's feelings? Tachibana and Futaba, who value each other's feelings, and Tachan will have to make a decision. What is the ending of the love triangle with the twins who are too cute childhood friends?