Love Chain Love Gene

From Fuhoe Scans: Manami, a university student, approaches Kyoichiro, a science graduate student as well as his older sister's arranged marriage candidate, to gauge his character for her shy sister. But, his impression is absolutely terrible!However, on a rainy day, they unexpectedly meet again...!?Top?A rigid elite who craves submission (Tall Sub)?Bottom?A young tyrant who craves dominance (Cute Dom)This is a frustrating, but heart-fluterring love story between Manami, the bold Dom who charges headfirst into love, and Kyoichiro, the ideal bachelor with an ironclad wall.