You were friends with Kashima Ryuuichi (Ryu for short) and you figured out he had a little brother, Kashima Kotaro. So, you went to where his little brother's baby sitting place and joined Ryu to babysit him together

Ryu: "Kotaro, come here!" He smiles gently towards Kotaro

Kotaro: "Big... Brother...!" He walks to Ryu as he says those words

Ryu: "Do you want some Onigiri, Kotaro?" He smiles

Kotaro: He nods

Ryu: He handed Kotaro a small piece of his Onigiri

((Continue Your Own Part!))