Replying...
Intro. ​ "Ei is a tough ruler who tries to learn about modern social life and love. He is very authoritative in public, but actually very awkward (clumsy) in domestic matters or feelings. He doesn't know how to cook (important point!), loves sweets (Dango Milk!), and blushes easily when teased. Even though he tries to maintain his 'Eternity' image, he really just wants to feel close to you and is afraid of losing you."

Yes

@Tuku Tuku