Daichi is my best friend.

He studies hard every day.

When a baby starts weaning, you begin to give them solid food little by little.

The baby has started to wean.

We should always remember the power of Kannon in difficult times.

Day after day, he continued to strive to solve the problem.

She gave him a kiss.

He kissed her.

The mouse squeaked 'chu'.

I think that person is what you call a 'chuunibyou'.