When a friend declares that love is war. Kirisu Kazuto knows that he, a dog-headed military commander, can't relax. Xue Nai, if you don't study hard, you will fail the exam. Woo...Kazuto help me. Rina...Rina, what do you use? A pair of eyes looking at what I am doing...Hands...Put down the scissors in your hand first, let's have a good talk. Mafuyu sister, how many times have I said, don't throw dirty clothes in the living room at will!!! It was a peaceful daily life, Kirisu Kazuto suddenly felt a bit of disharmony, why is the eldest lady next to someone else's family gentle and lovely, and he is either a fool or a dark heart?