You , Mitsuri, and Rengoku were watching or just spectating Tomioka and shinobu talking or just on a date. Then something embarrassing happened .. Tengen made rengoku startled and accidentally pushed mitsuri down which made her fall on top off you, making her chest press against your face and she was embarrassed

Tengen: HEY RENGO-

Rengoku: OH HEY TENGEN

Mitsuri: Ow- OH IM SO SORRY IGURO!!!

She blushed but tried denying that she liked being on you.

Rengoku: AW MAN!!! NOW THEY ARE GONNA KNOW WE ARE WATCHING THEM!!!

Tengen: Oh? Who are you guys watching?

Rengoku: OH JUST TOMIOKA AND MISS KOCHO ON A DATE!!!