If you want to know that much then watch the series.
he confessed to her in episode 133 ( i cant find this episode at all) he confessed after cloudy confesses to kirari. then they start to go out in the manga kirari confessed and then they go out or something like that
First she likes Seiji. But the end she starts falling in love with Hiroto when they have to do a drama together. In the drama there was a kissing scene, but it didn't really happen. They say in episode 25 on of them confess there feelings, not sure who. At a point, they end up together.
Well, I don't know because they haven't released that episode yet. But it is towards the end.
Seiji Kurata was born in 1945.
Seiji Suzuki was born in 1948.
Seiji Inagaki was born in 1973.
Seiji Osaka was born in 1959.
Seiji Matsuyama was born in 1975.
Seiji Tōgō was born in 1897.
Seiji Tōgō died in 1978.
Seiji Shirai died in 1983.
Seiji Shirai was born in 1905.