Saikou no Kimi

1) Saikou no Kimi
All begins when Soga Naoaki went to complain to the president of the student counsil, Yoshizumi Sekai, about the reducing of his volleyball team's bookings. By coincidence, Naoaki becomes the vice-president of the student counsil because of the health of the current one. He and Sekai don't get along, but what happens when they have to organise the school festival? Also found in Koibito no Namae

2) Kimi to Boku no Itsu Pobun
Oneshot also found in Renai Jikaku Shoujou.

3)Kimi ni Ai ni
Oneshot also found in Takaramono.