Yes, that was "White-eye" (Mejiro in Japanese).
When the Sakura trees have the flowers this bird come to get its honey.
This bird makes us to feel the spring has come!
Yesterday when I went to Minami Izu-cho, Southern area in Izu peninsula I went to
Shimokamo-town where Sakura festival takes place this month, but they hadn’t had many cherry blossoms there yet …….