Mood Swing Pantry + Japanese Grill is a restaurant at 2 Netheravon Rd, inside Club CSC @ Changi, in Changi, Singapore. Its name points to a pantry-style menu with a Japanese grill, and it holds a 4.4 Google rating from 297 reviews.
Restaurants inside members' clubs and recreation centres often draw families, sports groups and people from nearby neighbourhoods, so it helps to check access before you go, since some clubs ask for a membership or a guest sign-in at the gate. Grill-style Japanese cooking tends to focus on a few well-handled items, such as meat, fish and vegetables cooked over high heat, so ordering a few dishes to share is a good way to taste the range. Weekend lunch and dinner are the busiest times, and booking ahead is wise for groups. Regulars also mention dietary needs when they reserve and ask about parking, since Changi is not as well served by the MRT as central areas.
For anyone around Changi, Mood Swing Pantry + Japanese Grill is a well-reviewed place to book a meal.