“Remember that ‘exercise’?” she whispered, twirling the ends of his tie. His breath hitched. “What are you—”
Check if there are any potential issues. The story shouldn't conflict with Love Live! canon too much. Since Hinata is already in a group, her having a boyfriend isn't established, but for a fanfic, it's acceptable. Also, ensure that the ecchi elements are appropriate and not overly explicit, keeping it as a gentle rom-com style. Natsuiro Hinata Ecchi Na Kanojo To Tokeau Kokoro
“You’re awfully quiet, Tatsuya-kun!” she chirped, turning to him with a grin. “Don’t you like the new poster idea? I think the pastel colors are totally cute~!” “Remember that ‘exercise’
“Aww, Tatsuya… you wrote ‘I like you’ in cursive?” She kissed his cheek, stealing glances around to make sure no one saw. “You’re still so shy. But I like you that way.” The story shouldn't conflict with Love Live