Day 1

• So $name, did you find anything strange last night? - (Tell Venus truthfully that you didn't notice anything strange last night.) (50x Batteries)
• My personal belongings? It's all stuff that people have in general, but if it helps with the investigation, feel free to ask. - Ask about Venus' notebook. (50x Batteries)
• The stain on my clothes? Where? - On the school uniform in your wardrobe. (50x Batteries)

Day 2

• …did you see it all? - (You played dumb and looked at Venus, asking her what you could have seen.) (70x Batteries)
• Battle suits? What about them? - When was the last time you visited the underground city? (70x Batteries)

Day 3

• (What should I do now?) - Go to Venus's room to comfort her. (120x Batteries)
• I… I… I don't know… $name senpai, what should I do? - Go up and hold Venus and calm her down first. (120x Batteries)
• Well... I'm doing much better now... questions? What do you want to ask? - You woke up in the battle suits storage room, right? (120x Batteries)
• What do you... want to ask? - Did you notice...any fluorescent stains on your body in the shower last night? (120x Batteries)

Day 4

• (But what should I do now... ?) - You thought you could handle the Venus situation on your own. (400x Batteries)
• (What do I do now?) - You thought of something in a bin somewhere. (400x Batteries)
• 'I' know that 'you' are an individual who wants to be special, as long as I have the 'you' factor... - Silently, you reached down. (400x Batteries)
• If you help us with our research, you may be able to save Venus. The question is whether you are willing to do so. - What are you talking about? Of course I will! (400x Batteries)