Seina Yamada, now a grown adult, returns to Earth after spending time in Renza. Many things have changed back home while he's been in space, namely his new living arrangements with Tsukiko Masaki, his mother-in-law.
Seina Yamada, now a grown adult, returns to Earth after spending time in Renza. Many things have changed back home while he's been in space, namely his new living arrangements with Tsukiko Masaki, his mother-in-law.