STILL complex?
Fine. What about a simple Tower Defense game? That could be easy. With a Video Game theme.
I'll keep pitching out many ideas since I love to imagine.
Kimi wa ne tashika ni ano toki watashi no soba ni ita
Itsudatte itsudatte itsudatte
Sugu yoko de waratteita
Nakushitemo torimodosu kimi wo
I will never leave you