I've built the AEUG version of the MG Gundam Mk-II Ver.2.0 in the past, but this was my first time building the Titans version. I wonder if the design is the same apart from the pilot figure.
I wondered whether to paint it in AEUG colors, but since the pilot design is different and the included decals seemed usable, I decided to just build it as is.
I used water-based hobby colors on top of the surfacer with an airbrush.
In addition to the usual gray, I used pink surfacer on the red and yellow parts. I think it turned out a bit more vibrant (especially

Fully painted MG 1/100 Gundam Mk-II Ver.2.0 (Titans) | たかゆー's Gunpla works