[COM3D2] Version 1.21 Update

V1.21 is up. Visit http://com3d2.jp/update/ to get the updates.

- Fixed the bug that cause that noise to be displayed in the parts where infinite color can be set.
- Corresponds to the upcoming DLC
- Fixed the bug that cause the Sea Cafe to become un-selectable in Studio Mode
- Fixed typographical errors and omitted words on certain scenarios.
- Fixes on certain motion