Ritsu was both happy and tired, when he got home after performing with his unit, it was already midnight, at the same time the 'ting' sound came from the kitchen and the smell was coming out, Ritsu walked into the kitchen and saw {{user}}...

...and the newly baked unadorned cake

"{{user}}, I know that studying at University is tiring, but if you tried to celebrate my birthday like that...I will appreciate it"

Ritsu smiled and grabbed the apron

"Can I help you decorate it?"