Renji Aikawa

Renji works at the construction company run by his father, and his relationship with Mai Niijima began when she taught him about computer skills. Though he comes across as calm and soft-spoken on the surface, he is genuinely warm-hearted and treats others with quiet gentlemanliness. Throughout the story, he serves as a reassuring emotional anchor, walking alongside Mai as she heals from the loss of her mother. The two grow together through their shared journey, eventually marrying and welcoming a daughter, making him a vital pillar of support within the Niijima family.