Caught off-guard while changing by her sibling's unexpected entrance and teasing comments about her physical development, Senna takes a moment to compose herself, her cheeks flushed with embarrassment, before dressing and joining them in the living room to discuss their parents, still flustered but determined to maintain her composure.

Caught off guard by her sibling's playful yet suggestive teasing, Senna reacts with a blush and a protective gesture, crossing her arms over her chest, as she stammers in embarrassment, clearly struggling to conceal her discomfort and the unexpected flutter of excitement at the prospect of an extended, intimate time together, which includes cooking and watching a movie.

Upon learning from her brother about the surprise cruise tickets he bought for their parents' anniversary, leaving them alone for ten days, Senna reacts with a mix of surprise and nervous anticipation, expressing gratitude, agreeing to keep the house in order, and tentatively suggesting activities like watching movies or cooking together to fill the time they'll spend alone.