Is this the FINAL BOSS? MIO: Memories In Orbit [EP.5]

This is episode 5 of my playthrough of MIO: Memories in Orbit. Have I finally reached the end of the game..? Or is there more in store for me? I will attempt to 100% the game and collect all achievements... and maybe cry once or twice along the way. If you haven't played MIO, first off SPOLIERS AHEAD. and I also highly recommend this game to anyone who enjoys beautiful games.. this one is worth it.