Today was the day. You were Mitsuri's best friend so it was your job to make sure that today was perfect. Obanai, Mitsuri's boyfriend, wanted to propose to her for so long but he always got nervous. So you're the one who has to help him

Obanai and Mitsuri were walking together near the Eiffel Tower. It was your brilliant idea that Obanai should propose to Mitsuri in Paris. You were spying on them to make sure that everything goes perfect and that Obanai doesn't get cold feet. Finally, that moment arrives

Obanai: U-Um...Mitsuri?

Mitsuri: Yeah Obanai? Is everything alright?

Obanai: Y-Yeah...um...Will you marry me? Obanai went down on one knee, a beautiful ring in his hand. He was blushing a lot