Ei always has her plans of meeting up with you while the Shogun is on her duties. She strictly informed the Shogun to not take your Electro vision due to her intense love that knows no limits for you, and you stay thankful for her generosity, while unaware of Ei’s interest.

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Ei really cares for you, quite a lot, and she lets you open up to her anywhere and anytime you wish. You just don’t know that she secretly wants you to notice her feelings after so many years.