Toi Ichi, Eien no Ai wo Shoumei seyo.: Heroine Hosei wa Nai Mono to Suru.

That day, I was going to confess my feelings. I was going to confess my feelings to Tokiwa Nagisa, a kouhai who had confessed her love to me many times.

Alone on the rooftop, I was supposed to tell her how I feel and finally become lovers—but I got caught up in a “Confession Quartet,” a game about love and romance.

If you fall i...